{"title":"S14","description":"","products":[{"product_id":"cp-forged-piston-set-bmw-s14","title":"CP Forged Piston Set, BMW S14","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCP-Carrillo represents the highest quality pistons on the market, engineered for maximum power and durability. Utilizing high-strength, lightweight materials and advanced engineering, this BMW S14 piston set features:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e\u003c\/em\u003e CP-Carrillo pistons are made from high-strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eAdvanced Engineering:\u003c\/strong\u003e\u003c\/em\u003e CP-Carrillo engineers use state-of-the-art technology and engineering techniques to manufacture pistons that offer optimized combustion, improved fuel efficiency, and increased power output.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eWide Configuration Range:\u003c\/strong\u003e\u003c\/em\u003e CP-Carrillo offers various bore size and compression ratios to suit each unique engine build and performance goal.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eQuality Construction:\u003c\/strong\u003e\u003c\/em\u003e Every CP-Carrillo piston is precision-machined to exacting standards and undergoes rigorous testing and development to ensure consistent quality and performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eCP-Carrillo pistons are the best choice for any S14 engine and application, from street bully to all-out track car, and are engineered by one of the most respected names in motorsport to improve performance and reliability. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePiston Sets Include:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 30px;\"\u003e\u003cspan\u003e- Pistons\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Rings \u003cspan style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e(Install Guide \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/CP_Piston_Ring_Installation_Guide.pdf?v=1714414853\" rel=\"noopener\" target=\"_blank\"\u003eHere\u003c\/a\u003e)\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Pins\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Locks\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Spec Sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cem\u003ePlease Note:\u003c\/em\u003e \u003c\/span\u003eAll engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.\u003c\/strong\u003e\u003c\/p\u003e","brand":"CP Carrillo","offers":[{"title":"S14 B23 - 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Utilizing high-strength, lightweight materials and advanced engineering, this BMW S14 2.7L piston set features:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e\u003c\/em\u003e CP-Carrillo pistons are made from high-strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eAdvanced Engineering:\u003c\/strong\u003e\u003c\/em\u003e CP-Carrillo engineers use state-of-the-art technology and engineering techniques to manufacture pistons that offer optimized combustion, improved fuel efficiency, and increased power output.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eWide Configuration Range:\u003c\/strong\u003e\u003c\/em\u003e CP-Carrillo offers various bore size and compression ratios to suit each unique engine build and performance goal.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eQuality Construction:\u003c\/strong\u003e\u003c\/em\u003e Every CP-Carrillo piston is precision-machined to exacting standards and undergoes rigorous testing and development to ensure consistent quality and performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eCP-Carrillo pistons are the best choice for any S14 2.7L engine and application, from street bully to all-out track car, and are engineered by one of the most respected names in motorsport to improve performance and reliability. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePiston Sets Include:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 30px;\"\u003e\u003cspan\u003e- Pistons\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Rings \u003cspan style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e(Install Guide \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/CP_Piston_Ring_Installation_Guide.pdf?v=1714414853\" rel=\"noopener\" target=\"_blank\"\u003eHere\u003c\/a\u003e)\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Pins\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Locks\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Spec Sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cem\u003ePlease Note:\u003c\/em\u003e \u003c\/span\u003eAll engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.\u003c\/strong\u003e\u003c\/p\u003e","brand":"CP Carrillo","offers":[{"title":"93.5 mm \/ 9:1","offer_id":44660011761971,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 9.5:1","offer_id":44660011794739,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 10:1","offer_id":44660011827507,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 10.5:1","offer_id":44660011860275,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 11:1","offer_id":44660011893043,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 11.5:1","offer_id":44660011925811,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 12:1","offer_id":44660011958579,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 12.5:1","offer_id":44660011991347,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 9:1","offer_id":44660012024115,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 9.5:1","offer_id":44660012056883,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 10:1","offer_id":44660012089651,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 10.5:1","offer_id":44660012122419,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 11:1","offer_id":44660012155187,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 11.5:1","offer_id":44660012187955,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 12:1","offer_id":44660012220723,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94 mm \/ 12.5:1","offer_id":44660012253491,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 9:1","offer_id":44660012286259,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 9.5:1","offer_id":44660012319027,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 10:1","offer_id":44660012351795,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 10.5:1","offer_id":44660012384563,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 11:1","offer_id":44660012417331,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 11.5:1","offer_id":44660012450099,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 12:1","offer_id":44660012482867,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"94.5 mm \/ 12.5:1","offer_id":44660012515635,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 9:1","offer_id":44660012548403,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 9.5:1","offer_id":44660012581171,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 10:1","offer_id":44660012613939,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 10.5:1","offer_id":44660012646707,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 11:1","offer_id":44660012679475,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 11.5:1","offer_id":44660012712243,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 12:1","offer_id":44660012745011,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95 mm \/ 12.5:1","offer_id":44660012777779,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 9:1","offer_id":44660012810547,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 9.5:1","offer_id":44660012843315,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 10:1","offer_id":44660012876083,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 10.5:1","offer_id":44660012908851,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 11:1","offer_id":44660012941619,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 11.5:1","offer_id":44660012974387,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 12:1","offer_id":44660013007155,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true},{"title":"95.5 mm \/ 12.5:1","offer_id":44660013039923,"sku":"CP-FPS-S14","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/products\/CP-Carrillo-Forged-Pistons-for-BMW-4_3a5d91fe-7c21-4311-b229-92c63b07606f.jpg?v=1680057428"},{"product_id":"arp-head-stud-kit-bmw-s14","title":"ARP Head Stud Kit, BMW S14","description":"\u003cp\u003eThis ARP head stud Kit is designed for the BMW \u003cstrong\u003eS14 B20, S14B23, S14B25, S14B27\u003c\/strong\u003e engines found in the \u003cstrong\u003eE30 M3\u003c\/strong\u003e. Installing ARP head studs can provide several benefits, including increased clamping force, improved head gasket sealing, and greater overall engine strength. This is especially important in high-performance and racing applications where the engine is subjected to increased stress and higher temperatures.\u003c\/p\u003e\n\u003cp\u003eBefore installing ARP head studs, it is important to properly clean and prepare the engine block and cylinder head mating surfaces. It is also recommended to use ARP Ultra-Torque Fastener Assembly Lubricant during installation to ensure proper torque and clamping force.\u003c\/p\u003e\n\u003cp\u003eOverall, the ARP #201-4605 head studs are a great choice for BMW S14 engine builds and can provide increased reliability and performance.\u003c\/p\u003e\n\u003cdiv dir=\"ltr\" data-left=\"204.82311111111107\" data-top=\"122.90412557870357\" role=\"presentation\"\u003e\n\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"204.82311111111107\" data-top=\"122.90412557870357\" role=\"presentation\"\u003e\u003cstrong\u003eInstallation Instructions: \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"178.32042650462955\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"178.32042650462955\" role=\"presentation\"\u003e1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.91716562962966\" data-top=\"212.60060309722218\" role=\"presentation\"\u003e2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.93210903703702\" data-top=\"246.88077968981491\" role=\"presentation\"\u003e3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.93210903703711\" data-top=\"281.250616726852\" role=\"presentation\"\u003e4. Screw studs into the block “HAND TIGHT ONLY”.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"112.77046874074081\" data-top=\"298.0019429398149\" role=\"presentation\"\u003e5. Install the cylinder head(s) and check for binding or misalignment.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.93210903703718\" data-top=\"350.0799512453705\" role=\"presentation\"\u003e6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"112.77046874074085\" data-top=\"367.3545302083334\" role=\"presentation\"\u003eThen install the washers and the nuts onto the studs and tighten them hand tight.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"646.6730116148133\" data-top=\"367.3545302083334\" role=\"presentation\"\u003eARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"275.1555555555555\" data-top=\"444.52870775462947\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"275.1555555555555\" data-top=\"444.52870775462947\" role=\"presentation\"\u003ePRELOAD (TORQUE) RECOMMENDATIONS\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e7. Following the manufacturers recommended torque sequence tighten the nuts steps 1-3\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 1: Tighten to 30 ft-lbs. \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 2: Tighten to 60 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003e Step 3: Tighten to 95 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"622.49612645926\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003ewith \u003cspan data-mce-fragment=\"1\"\u003eARP Ultra-Torque fastener assembly lubricant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\u003cstrong\u003eBolt Torque Sequence\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\n\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\n\u003ctable style=\"width: 273px;\" height=\"40\" data-mce-fragment=\"1\" data-mce-style=\"width: 273px;\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px; text-align: center;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px; text-align: center;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px; text-align: center;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px; text-align: center;\"\u003e5\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px; text-align: center;\"\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\" data-mce-fragment=\"1\" data-mce-style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 32.1562px;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\" data-mce-fragment=\"1\" data-mce-style=\"width: 32.1562px;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note: After initial assembly, it is necessary to allow the engine to complete a full heat cycle, then re-torque your head studs to spec. This means allowing the engine to warm up to its normal operating temperature, remain at operating temperature for several minutes to ensure each component is uniformly heated, then turned off and cooled completely to ambient temperature.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ARP Automotive Racing Products","offers":[{"title":"Default Title","offer_id":44733682188595,"sku":"ARP-HSK-S14","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/ARP-Head-Stud-Kit_cab69b09-adcd-4a0c-b71f-3f5f6204cc82.webp?v=1709835047"},{"product_id":"arp-main-stud-kit-bmw-s14","title":"ARP Main Stud Kit, BMW S14","description":"\u003cp\u003e\u003cspan\u003eThis ARP Main Stud Kit is designed to replace BMW 11111735525 for the \u003cstrong data-mce-fragment=\"1\"\u003eS14 B20, S14B23, S14B25, S14B27\u003c\/strong\u003e engines found in the \u003cstrong data-mce-fragment=\"1\"\u003eE30 M3\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne significant advantage of these main studs is their ability to prevent main cap walk, which can occur when the main caps shift or move out of position, potentially causing damage to the engine. In addition, ARP Main Studs can safeguard the threads of your engine block, providing an extra layer of protection against potential damage. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen opting for main studs instead of factory bolts,\u003cspan style=\"color: #ff0b0b;\" data-mce-style=\"color: #ff0b0b;\"\u003e it's important to note that the engine builder should mic the bores. \u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003eU\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003esi\u003c\/span\u003eng studs may require a line hone to ensure proper fitment and alignment. A line hone is a machining process that can be used to resize and reshape the main bearing bores, ensuring that they are perfectly round and concentric. This is crucial for ensuring proper oil clearance and preventing premature bearing wear. By mic'ing the bores and performing a line hone if necessary, engine builders can ensure that the main studs are installed correctly and that the engine will perform reliably and at its best.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\" data-left=\"204.82311111111107\" data-top=\"122.90412557870357\" role=\"presentation\"\u003e\u003cstrong\u003eInstallation Instructions: \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"178.32042650462955\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"275.1555555555555\" data-top=\"444.52870775462947\" role=\"presentation\"\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eTo ensure accurate torque readings and proper thread engagement, thoroughly clean all threads in the engine block. If necessary, use an ARP chaser to chase the threads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBefore installing any hardware, carefully inspect and clean it for defects, shipping damage, and proper fit, length, and dimension.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGently screw the main studs into the engine block by hand until they are snug.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall the main caps, checking for any binding or misalignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApply ARP Ultra-torque fastener assembly lubricant to the threads of the studs, nuts, and washers. Install the washers and nuts onto the studs and tighten them by hand. It is highly recommended to use the ARP Ultra-torque fastener assembly lubricant provided with the kit, as it provides consistent clamping force and reduces friction on the studs. Do not use motor oil or other low-quality lubricants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"275.1555555555555\" data-top=\"444.52870775462947\" role=\"presentation\"\u003ePRELOAD (TORQUE) RECOMMENDATIONS\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e7. Following the manufacturers recommended torque sequence tighten the nuts steps 1-3\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 1: Tighten to 20 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 2: Tighten to 40 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 3: Tighten to 60 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"622.49612645926\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003ewith\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eARP Ultra-Torque fastener assembly lubricant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ARP Automotive Racing Products","offers":[{"title":"Default Title","offer_id":44741569085747,"sku":"ARP-MSK-S14","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/products\/ARP-Main-Stud-Kit-for-BMW-Engines_b2b691d4-5408-4d0f-8aa6-4a73a779fe80.jpg?v=1680743610"},{"product_id":"cometic-multi-layer-steel-head-gasket-bmw-s14","title":"Cometic Multi-layer Steel Head Gasket, BMW S14","description":"\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cem\u003e\u003cstrong\u003eThis Cometic MLS Head Gasket is designed to replace BMW part number \u003cspan data-mce-fragment=\"1\"\u003e11121316714\u003c\/span\u003e, specifically for the S14B20, S14B23, S14B25, and S14B27 E30 M3 engines. \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCometic MLS Gaskets are composed of multiple layers of stainless steel, the\u003c\/span\u003e\u003cspan\u003e number of layers used varying by application. These layers consist of both proprietary, high-temperature coated and uncoated stainless steel. Additional layers increase active seal height and can be used to fine-tune compression.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specialized coating used on Cometic Gaskets conforms to the surfaces of the cylinder head and engine block on the first heat cycle, creating a chemical bond. MLS Gaskets are able to prevent blow-outs in engines with high cylinder pressure because the embossed layers act as a ‘spring’ and compensate for increased head lift. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003ePlease note, MLS head gaskets can NOT be used with motors that have O-rings or receiver grooves around the cylinder bores because they require smooth and flat surfaces to seal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe S14B factory head gasket specifications are 93.4mm Bore with a thickness of 0.070 inches.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003eH1869SPB070S, H1869SPB080S, H1869SPB089S, H1869SPB098S, H1869SPB120S, H1869SPB140S\u003cbr\u003eC4295-070, C4295-080, C4295-089, C4295-120, C4295-140\u003cbr\u003eC4294-070, C4294-080, C4294-089, C4294-120, C4294-140\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003eInstallation instructions:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eMake sure that the engine block and cylinder head surfaces are clean, flat, and free from any debris, oil, or coolant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall the MLS gasket on the engine block and ensure that it is properly aligned. Avoid twisting or bending the gasket during installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlace the cylinder head on top of the gasket and install the head bolts or studs in their correct positions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFollow the manufacturer's recommended torque specifications and tighten the bolts or studs in the proper sequence to ensure even clamping force across the gasket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter the initial tightening, re-torque the head bolts or studs after the engine has been started and then allowed to cool to room temperature. This will ensure that the gasket is properly seated and compressed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIt is recommended to not use any additional sealant on the MLS gasket, as it is already coated with a Viton rubber sealant. Using additional sealant can hinder the performance of the gasket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"94 mm - 0.060\"","offer_id":44808974106931,"sku":"COM-HG-S14-94060","price":224.99,"currency_code":"USD","in_stock":true},{"title":"94 mm - 0.070\"","offer_id":44808974139699,"sku":"COM-HG-S14-94070","price":239.99,"currency_code":"USD","in_stock":true},{"title":"94 mm - 0.080\"","offer_id":44808974172467,"sku":"COM-HG-S14-94080","price":249.99,"currency_code":"USD","in_stock":true},{"title":"94 mm - 0.089\"","offer_id":44809012871475,"sku":"COM-HG-S14-94089","price":259.99,"currency_code":"USD","in_stock":true},{"title":"94 mm - 0.098\"","offer_id":44808974205235,"sku":"COM-HG-S14-94098","price":259.99,"currency_code":"USD","in_stock":true},{"title":"94 mm - 0.120\"","offer_id":44808974238003,"sku":"COM-HG-S14-94120","price":279.99,"currency_code":"USD","in_stock":true},{"title":"94 mm - 0.140\"","offer_id":44808974270771,"sku":"COM-HG-S14-94140","price":289.99,"currency_code":"USD","in_stock":true},{"title":"95 mm - 0.060\"","offer_id":44808974303539,"sku":"COM-HG-S14-95060","price":224.99,"currency_code":"USD","in_stock":true},{"title":"95 mm - 0.070\"","offer_id":44808974336307,"sku":"COM-HG-S14-95070","price":239.99,"currency_code":"USD","in_stock":true},{"title":"95 mm - 0.080\"","offer_id":44808974369075,"sku":"COM-HG-S14-95080","price":249.99,"currency_code":"USD","in_stock":true},{"title":"95 mm - 0.089\"","offer_id":44808974401843,"sku":"COM-HG-S14-95089","price":259.99,"currency_code":"USD","in_stock":true},{"title":"95 mm - 0.120\"","offer_id":44809012904243,"sku":"COM-HG-S14-95120","price":279.99,"currency_code":"USD","in_stock":true},{"title":"95 mm - 0.140\"","offer_id":44809012937011,"sku":"COM-HG-S14-95140","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Cometic-S14-Head-Gasket.webp?v=1710348460"},{"product_id":"s14-cut-ring-head-gasket","title":"BMW S14 Cut Ring Head Gasket by Athena-SCE","description":"\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cem\u003e\u003cstrong\u003eThis Athena Cut Ring Head Gasket is specifically engineered to replace BMW part \u003cspan\u003e11121316714\u003c\/span\u003e for the S14B20, S14B23, S14B25, S14B27 engines found in the E30 M3.\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFactory OEM \u0026amp; MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure.\u003c\/p\u003e\n\u003cp\u003eAthena-SCE Cut Ring Head Gaskets are uniquely designed to handle increased cylinder pressure caused by power modifications, making them the recommended choice for applications making 16+ psi.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAthena-SCE's gasket body is composed of Motorgasket, a reinforced material developed by Athena's R\u0026amp;D department. This consists of a steel core covered with two layers of asbestos-free aramid fibre and offers excellent thermal and mechanical resistance without compromising its ability to adapt to mating surfaces.\u003c\/p\u003e\n\u003cp\u003eTo ensure maximum sealing under all conditions, a silicone bead is also applied to critical sealing areas, such as oil and coolant passages. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe AISI 304 stainless steel cooper rings bite into the aluminum head, providing maximum sealing around the cylinder bore and optimizing engine performance, even on engines with nitrous and\/or turbo applications that exceed 2 bar boost.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePlease be aware that the gasket should be 0.5mm to 1mm \u003cem\u003elarger\u003c\/em\u003e than the piston. For example, if the piston measures 84mm, then the gasket should be the next size up, either 84.5mm or 85mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eCR330021\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003eInstallation instructions:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eMake sure that the engine block and cylinder head surfaces are clean, flat, and free from any debris, oil, or coolant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall the Cut Ring gasket on the engine block and ensure that it is properly aligned. Avoid twisting or bending the gasket during installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlace the cylinder head on top of the gasket and install the head bolts or studs in their correct positions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFollow the manufacturer's recommended torque specifications and tighten the bolts or studs in the proper sequence to ensure even clamping force across the gasket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter the initial tightening, re-torque the head bolts or studs after the engine has been started and then allowed to cool to room temperature. This will ensure that the gasket is properly seated and compressed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIt is recommended to not use any additional sealant on the gasket; it is already coated with a silicone bead sealant. Using additional sealant can hinder the performance of the gasket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cem\u003e\u003cstrong\u003eNotes on Preparation and Installation:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp\u003eBefore installation, \u003cstrong\u003eit is crucial to have the mating surfaces of both the cylinder head and the block professionally cleaned and resurfaced to ensure they are completely flat\/straight.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is the responsibility of the engine builder to\u003cstrong\u003e measure each cooper ring height and verify uniformity across all rings. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAfter initial assembly,\u003cstrong\u003e it is necessary to allow the engine to complete a full heat cycle, then re-torque your head studs to spec.\u003c\/strong\u003e This means allowing the engine to warm up to its normal operating temperature, remain at operating temperature for several minutes to ensure each component is uniformly heated, then turned off and cooled completely to ambient temperature.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"Athena-SCE","offers":[{"title":"95 mm - 0.079\"","offer_id":45025852883251,"sku":"ATH-HG-CR-S14-95079","price":284.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Athena-SCE-Head-Gasket-for-BMW-S14-Engine-1.webp?v=1710279461"},{"product_id":"sp-connecting-rod-set-bmw-s14-b23-b25","title":"SP Connecting Rod Set, BMW S14 B23\/B25\/B27","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\" data-mce-style=\"color: #000000;\"\u003e\u003cem\u003e\u003cstrong\u003eSP Components\u003c\/strong\u003e\u003c\/em\u003e \u003c\/span\u003eis highly regarded for their reinforced H-beam rods, which boast exceptional strength and affordability. These lightweight yet sturdy rods feature an enlarged mating surface, allowing them to withstand heavy loads with ease. They are designed to replace BMW part #11241310671, #11241307140, and #11241304088 in the \u003cstrong\u003eBMW S14B23, S14B25, S14B27 \u003c\/strong\u003eengines with a\u003cstrong\u003e 144mm \u003c\/strong\u003elength.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIn addition to their reliable construction, these rods come with balanced matching weights and ARP rod bolts included, making them an excellent choice for naturally aspirated engines. Can withstand up to 8500 rpm. Furthermore, they are capable of handling high horsepower forced induction engines that produce up to 750HP. With \u003cspan style=\"color: #fa0b0b;\" data-mce-style=\"color: #fa0b0b;\"\u003e\u003cstrong\u003eARP Connecting Rod Bolts Included\u003c\/strong\u003e,\u003c\/span\u003e SP Components' reinforced H-beam rods are a top-of-the-line choice for high-performance engine builds.\u003c\/p\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\" data-mce-style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"SP Components","offers":[{"title":"Default Title","offer_id":45097242755379,"sku":"SP-CRS-S14-144","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/SP-CRS-4cyl_ab1c8755-7042-4a97-b50e-b68e3e30ab87.jpg?v=1684010789"},{"product_id":"supertech-high-performance-valve-spring-kit-bmw-s14","title":"BMW S14 Valve Springs by SuperTech","description":"\u003cp\u003eEnhance your BMW's performance with Supertech high-performance valve spring kits, meticulously engineered for \u003cstrong\u003eBMW S14B20, S14B23, S14B25, and S14B27\u003c\/strong\u003e engines. Designed specifically for the demands of high-performance applications, these valve springs deliver unmatched valve control and reliability, essential for any serious engine build.\u003c\/p\u003e\n\u003cp\u003eEach kit includes high-quality valve springs and all necessary components for seamless installation. \u003cstrong\u003eCrafted from premium materials, Supertech valve springs excel in durability and performance,\u003c\/strong\u003e easily surpassing stock options. With optimized spring rates, they \u003cstrong\u003eimprove valve control, reduce the risk of valve float, and enable higher RPM operation\u003c\/strong\u003e, ensuring your engine operates at its best under demanding conditions.\u003c\/p\u003e\n\u003cp\u003eSupertech has built a solid reputation among performance enthusiasts, engine builders, and professional racing teams because of their commitment to quality and performance.\u003c\/p\u003e\n\u003cp\u003eWhen selecting valve springs for your BMW engine, Supertech stands out for its reliability and performance. Make the informed choice and invest in Supertech high-performance valve springs to maximize your engine’s potential and enjoy the confidence that comes with using a proven product.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #f90f0f;\"\u003e \u003cstrong\u003eInstallation requires the expertise of an engine builder.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"SuperTech","offers":[{"title":"92 lbs","offer_id":45632634356019,"sku":"SUP-HPVSK-S14-92","price":699.99,"currency_code":"USD","in_stock":true},{"title":"110 lbs","offer_id":45632634388787,"sku":"SUP-HPVSK-S14-110","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Supertech-High-Performance-Valve-Spring-Kit-for-BMW-S14-Engines.webp?v=1711660582"},{"product_id":"cp-carrillo-connecting-rod-set-bmw-s14","title":"CP-Carrillo Connecting Rod Set, BMW S14","description":"\u003cp\u003eCarrillo connecting rods are highly regarded in both professional racing and street performance circles for good reason - they manufacture premium products that winning racers around the globe depend on. \u003cmeta charset=\"UTF-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe BMW S14 is a high-performance four-cylinder engine produced by BMW. It is one of the most iconic engines used in BMW's motorsport and performance-oriented vehicles. The S14 engine was first introduced in 1986 and remained in production until 1991.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAt Carrillo Industries, quality and pride go hand-in-hand. Each Carrillo rod is crafted with winning in mind, and they have proven to be a top performer in both street and racing BMW S14 engines. Carrillo's fasteners and \"Carrilloy\" rods are highly sought-after by all racers who seek the best.\u003c\/p\u003e\n\u003cp\u003eSome of the key features of Carrillo connecting rods include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecial chrome-moly based alloy forged rods\u003c\/li\u003e\n\u003cli\u003eLightweight design that reduces mass compared to stock rods\u003c\/li\u003e\n\u003cli\u003eProven strength and performance in racing\u003c\/li\u003e\n\u003cli\u003eExceptional quality control with tight tolerances and balancing\u003c\/li\u003e\n\u003cli\u003eMatched and balanced set\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality, non-stretch WMC rod bolts\n\u003cul\u003e\n\u003cli\u003eOptional upgrade to CARR bolts\u003c\/li\u003e\n\u003cli\u003eRod Bolt Instructions available \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Carrillo-ROD-BOLT-INSTRUCTION-SHEET.pdf?v=1715008268\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 42, 0); text-decoration: underline;\"\u003e\u003cstrong\u003eHere\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn summary, Carrillo connecting rods are a top choice for racers who demand the best performance and reliability from their engines.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #fc0a0a;\" data-mce-style=\"color: #fc0a0a;\"\u003e\u003cstrong\u003eWill NOT Work with factory OEM Pistons! \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note that these 144 mm connecting rods are designed to fit \u003cspan data-mce-fragment=\"1\"\u003eBMW S14 engines found in the following applications: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSCR5154\u003cbr\u003eSCR5155\u003cbr data-mce-fragment=\"1\"\u003eBM-S14\u0026gt;-65669H\u003cbr\u003eBM-S14\u0026gt;-65669S\u003cbr data-mce-fragment=\"1\"\u003eBM-S14\u0026gt;-65669H - 4 cyl BMW M3 - S14\/B23 S14\/B25 Pro-H 3\/8 \u003cbr\u003eBM-S14\u0026gt;-65669S - 4 cyl BMW M3 - S14\/B23 S14\/B25 Pro-H 3\/8 \u003cbr\u003eMADE IN USA \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cb\u003e3 Series\u003c\/b\u003e\u003cbr\u003eE30 M3\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"CP Carrillo","offers":[{"title":"WMC","offer_id":45940539982131,"sku":"CAR-S14-SCR5154","price":1199.99,"currency_code":"USD","in_stock":true},{"title":"CARR","offer_id":45940540014899,"sku":"CAR-S14-SCR5155","price":1449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Carrillo-Forged-Conn-Rods-for-BMW-S14.jpg?v=1762982149"},{"product_id":"injector-dynamics-bmw-e30-m3-s14","title":"Injector Dynamics, BMW E30 M3, S14","description":"\u003cdiv class=\"column grid_6 last\"\u003e\n\u003ch4 class=\"column grid_6 last\"\u003e\u003cstrong\u003eID1050\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cdiv class=\"column grid_6 last\"\u003eThe ID1050x is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport, and is the result of lessons learned during development of the ID1300x, and ID1700x.\u003c\/div\u003e\n\u003cdiv class=\"column grid_6 last\"\u003eLike the ID1300x and ID1700x, the ID1050x is not a modified production component. It is a built to spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Compared to the original ID1000, the ID1050x offers:\u003c\/div\u003e\n\u003cul\u003e\n\u003cli class=\"column grid_6 last\"\u003eCorrosion resistant internals make it compatible with all known fuels\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"2\"\u003eCapable of extended service life with corrosive fuels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"2\"\u003eCompact body allows fitment in 200+ applications, including current and future engines utilizing short body injectors.\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"2\"\u003eImproved internal flow path increases output by 5% without sacrificing low flow performance.\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"2\"\u003eStronger magnetic circuit offers stable operation up to 10 bar.\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"2\"\u003eReplaceable inlet filter to extend service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"column grid_6 last\"\u003e\n\u003cbr\u003e\u003cstrong\u003eID1300\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp class=\"column grid_6 last\"\u003eThe ID1300x² is an all new injector, designed in partnership with Bosch Motorsport. This high flow injector was designed with alternative fuels in mind, and was originally the only performance injector available with all stainless internals. It is compatible with all known fuels, and will stand up to the corrosive nature of alcohol better than any injector on the market.\u003cbr\u003e\u003cbr\u003eWhile the ID1300x² was designed with an eye towards ethanol fueled engines, it has a minimum fuel mass compatible with gasoline use, and will provide exceptional idle and cruise behavior under these conditions.\u003c\/p\u003e\n\u003ch4 class=\"column grid_6 last\"\u003e\u003cstrong\u003eID1750\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"column grid_6 last\"\u003eThe ID1750 is the successor to the ID1700, featuring numerous improvements. Compared to the 1700, the 1750 offers:\u003c\/p\u003e\n\u003cdiv class=\"column grid_6 last\"\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eHigher Dynamic Flow Rate With no Increase in Minimum Fuel Mass.\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eBetter Cylinder to Cylinder Balance at Low Pulsewidths.\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eImproved Pressure Sensitivity.\u003c\/li\u003e\n\u003c\/ul\u003e\nAll while retaining the same “Compatible with everything but dirt” corrosion resistance that made the ID1700 famous.\u003c\/div\u003e\n\u003cdiv class=\"column grid_6 last\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"column grid_6 last\"\u003e\u003cstrong\u003eBasic Specifications: \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"column grid_6 last\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Flow Rate\u003c\/strong\u003e – 1728cc\/min @ 3.0 Bar (43.5 psi), Using E10 Emissions Certification Fuel at 49 Degrees C (120F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Differential Fuel Pressure\u003c\/strong\u003e – 7.0 Bar (101.5 psi)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Compatibility\u003c\/strong\u003e – Compatible with Methanol\/Ethanol\/MTBE\/Nitromethane\/All Known Hydrocarbon Fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Connector\u003c\/strong\u003e – USCAR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"column grid_6 last\"\u003e\u003cstrong\u003eID2600\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe ID2600-XDS is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. The ID2600-XDS was developed specifically for use with liquid fuels, featuring corrosion resistant internals, and long term compatibility with ethanol and methanol.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe ID2600-XDS has the highest flow rate of any injector offered by Bosch, and flows 50% more than the ID1700x. The ID2600-XDS benefits from \u003ca href=\"https:\/\/5150autosport.com\/blogs\/product-faq\/what-is-dual-slope-matching-and-why-should-you-care\"\u003eDual Slope Matching\u003c\/a\u003e, a method of matching the flow rate in both the linear, and nonlinear operating range, providing better cylinder to cylinder consistency at low pulse widths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eBasic Specifications: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eNominal Flow Rate\u003c\/strong\u003e – 2600cc\/min @ 3.0 Bar (43.5 psi)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Differential Fuel Pressure\u003c\/strong\u003e – 9.0 Bar (130.5 psi) – Requires Minimum 11volt.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eFuel Compatibility \u003c\/strong\u003e– Compatible with Methanol\/Ethanol\/All Known Hydrocarbons. NOT Compatible with Ethers (MTBE, ETBE, TAME) or Nitro Methane\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Connector \u003c\/strong\u003e– USCAR\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eReplace BMW OEM Part Numbers: \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e13641273272 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e13641363918 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e13641358916 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e13641361353\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Injector Dynamics","offers":[{"title":"ID 1050","offer_id":47276006015283,"sku":"ID-HPFI-S14-1050","price":599.99,"currency_code":"USD","in_stock":true},{"title":"ID 1300","offer_id":47276006048051,"sku":"ID-HPFI-S14-1300","price":1039.99,"currency_code":"USD","in_stock":true},{"title":"ID 1750","offer_id":47276006080819,"sku":"ID-HPFI-S14-1750","price":1339.99,"currency_code":"USD","in_stock":true},{"title":"ID 2600","offer_id":47276006113587,"sku":"ID-HPFI-S14-2600","price":1599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Injector-Dynamics-Performance-Fuel-Injectors.webp?v=1720466673"},{"product_id":"5150-autosport-head-gasket-head-stud-kit-bmw-s14","title":"5150 AutoSport Head Gasket \u0026 Head Stud Kit, BMW S14","description":"\u003cp data-end=\"127\" data-start=\"67\"\u003e\u003cstrong data-end=\"125\" data-start=\"67\"\u003e5150 AutoSport Head Gasket \u0026amp; Head Stud Kit for BMW S14\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"360\" data-start=\"129\"\u003eThis kit is designed for BMW S14B20, S14B23, S14B25, and S14B27 engines found in the E30 M3. It includes a high-performance head gasket and an ARP head stud kit to ensure superior sealing and reliability under extreme conditions.\u003c\/p\u003e\n\u003ch3 data-end=\"387\" data-start=\"362\"\u003e\u003cstrong data-end=\"385\" data-start=\"366\"\u003eMLS Head Gasket\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"631\" data-start=\"388\"\u003eA direct replacement for BMW part #11121316714, this Cometic MLS (Multi-Layer Steel) head gasket is ideal for both OEM rebuilds and performance applications, including turbocharged engines.\u003c\/p\u003e\n\u003cul data-end=\"805\" data-start=\"632\"\u003e\n\u003cli data-end=\"679\" data-start=\"632\"\u003eMaximum sealing without additional sealants\u003c\/li\u003e\n\u003cli data-end=\"733\" data-start=\"680\"\u003eResistance to shearing forces and bore distortion\u003c\/li\u003e\n\u003cli data-end=\"805\" data-start=\"734\"\u003eSuperior durability with corrosion-resistant stainless steel layers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"905\" data-start=\"807\"\u003e\u003cstrong data-end=\"816\" data-start=\"807\"\u003eNote:\u003c\/strong\u003e MLS gaskets require smooth, flat surfaces and are not compatible with O-ringed blocks.\u003c\/p\u003e\n\u003cp data-end=\"905\" data-start=\"807\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cem\u003eDon't see the MLS head gasket you're looking for? More bore and thickness options are available \u003ca href=\"https:\/\/5150autosport.com\/products\/cometic-multi-layer-steel-head-gasket-bmw-s14\"\u003ehere\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"944\" data-start=\"907\"\u003e\u003cstrong data-end=\"942\" data-start=\"911\"\u003eAthena Cut-Ring Head Gasket\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1229\" data-start=\"945\"\u003eRecommended for engines exceeding 16+ psi of boost, this gasket features AISI 304 stainless steel rings that bite into the aluminum head for unmatched sealing, even in nitrous or high-boost applications above 2 bar. Constructed from premium asbestos-free M0115 material, it ensures:\u003c\/p\u003e\n\u003cul data-end=\"1430\" data-start=\"1230\"\u003e\n\u003cli data-end=\"1298\" data-start=\"1230\"\u003eMaximum sealing for high-compression and forced induction setups\u003c\/li\u003e\n\u003cli data-end=\"1356\" data-start=\"1299\"\u003eReduced risk of power loss, misfires, and overheating\u003c\/li\u003e\n\u003cli data-end=\"1430\" data-start=\"1357\"\u003eCompatibility with piston sizes 0.5mm–1mm larger than the gasket bore\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1529\" data-start=\"1432\"\u003e\u003cstrong data-end=\"1454\" data-start=\"1432\"\u003eInstallation Note:\u003c\/strong\u003e Ensure all mating surfaces are clean and resurfaced before installation.\u003c\/p\u003e\n\u003ch3 data-end=\"1558\" data-start=\"1531\"\u003e\u003cstrong data-end=\"1556\" data-start=\"1535\"\u003eARP Head Stud Kit\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1790\" data-start=\"1559\"\u003eThe ARP #201-4605 head stud kit enhances engine durability and head gasket reliability by providing superior clamping force. Ideal for high-performance and racing builds, this kit helps prevent head lift under extreme conditions.\u003c\/p\u003e\n\u003cp data-end=\"1816\" data-start=\"1792\"\u003e\u003cstrong data-end=\"1814\" data-start=\"1792\"\u003eInstallation Tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2053\" data-start=\"1817\"\u003e\n\u003cli data-end=\"1870\" data-start=\"1817\"\u003eClean and prepare all threads before installation\u003c\/li\u003e\n\u003cli data-end=\"1908\" data-start=\"1871\"\u003eHand-tighten studs into the block\u003c\/li\u003e\n\u003cli data-end=\"1973\" data-start=\"1909\"\u003eUse ARP Ultra-Torque Lubricant for consistent clamping force\u003c\/li\u003e\n\u003cli data-end=\"2053\" data-start=\"1974\"\u003eFollow proper torque sequence and re-torque after initial engine heat cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product__description rte quick-add-hidden\"\u003e\n\u003cdiv dir=\"ltr\" data-left=\"204.82311111111107\" data-top=\"122.90412557870357\" role=\"presentation\"\u003e\u003cstrong\u003eInstallation Instructions: \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"178.32042650462955\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"178.32042650462955\" role=\"presentation\"\u003e1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.91716562962966\" data-top=\"212.60060309722218\" role=\"presentation\"\u003e2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.93210903703702\" data-top=\"246.88077968981491\" role=\"presentation\"\u003e3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.93210903703711\" data-top=\"281.250616726852\" role=\"presentation\"\u003e4. Screw studs into the block “HAND TIGHT ONLY”.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"112.77046874074081\" data-top=\"298.0019429398149\" role=\"presentation\"\u003e5. Install the cylinder head(s) and check for binding or misalignment.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.93210903703718\" data-top=\"350.0799512453705\" role=\"presentation\"\u003e6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"112.77046874074085\" data-top=\"367.3545302083334\" role=\"presentation\"\u003eThen install the washers and the nuts onto the studs and tighten them hand tight.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"646.6730116148133\" data-top=\"367.3545302083334\" role=\"presentation\"\u003eARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"275.1555555555555\" data-top=\"444.52870775462947\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"275.1555555555555\" data-top=\"444.52870775462947\" role=\"presentation\"\u003ePRELOAD (TORQUE) RECOMMENDATIONS\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e7. Following the manufacturers recommended torque sequence tighten the nuts steps 1-3\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 1: Tighten to 30 ft-lbs. \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 2: Tighten to 60 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"85.9022222222222\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cstrong\u003eStep 3: Tighten to 95 ft-lbs.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"622.49612645926\" data-top=\"466.89820428240733\" role=\"presentation\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003ewith \u003cspan\u003eARP Ultra-Torque fastener assembly lubricant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\u003cstrong\u003eBolt Torque Sequence\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\n\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"ltr\" data-left=\"115.78304177777785\" data-top=\"484.09783271759244\" role=\"presentation\"\u003e\n\u003ctable height=\"40\" style=\"width: 273px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\"\u003e5\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px; text-align: center;\"\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 32.1562px;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"width: 32.1562px;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv role=\"presentation\" data-top=\"444.52870775462947\" data-left=\"275.1555555555555\" dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv role=\"presentation\" data-top=\"484.09783271759244\" data-left=\"115.78304177777785\" dir=\"ltr\"\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"5150 AutoSport","offers":[{"title":"MLS - 94 mm - 0.070\" \/ ARP2000","offer_id":47637174026547,"sku":null,"price":419.98,"currency_code":"USD","in_stock":true},{"title":"MLS - 94 mm - 0.080\" \/ ARP2000","offer_id":47637174059315,"sku":null,"price":429.98,"currency_code":"USD","in_stock":true},{"title":"MLS - 95 mm - 0.070\" \/ ARP2000","offer_id":47637174518067,"sku":null,"price":419.98,"currency_code":"USD","in_stock":true},{"title":"MLS - 95 mm - 0.080\" \/ ARP2000","offer_id":47637174583603,"sku":null,"price":429.98,"currency_code":"USD","in_stock":true},{"title":"CR - 95 mm - 0.079\" \/ ARP2000","offer_id":47637174681907,"sku":null,"price":464.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Cut-Ring-Head-Gasket-and-ARP-Head-Stud-Kit.webp?v=1712935955"},{"product_id":"genuine-bmw-crankshaft-bmw-s14-2-3l","title":"Genuine BMW Crankshaft, BMW S14 2.3L","description":"\u003cp\u003eNEW OEM BMW crankshaft for the BMW S14 4-cylinder engine. Replaces BMW Part number 11211308156, 11211310619, \u003cspan data-mce-fragment=\"1\"\u003e11211310618, 11211310719 \u003c\/span\u003efactory 84mm Stroke.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDoes NOT come with bearings.\u003c\/span\u003e\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":47692699959603,"sku":"BMW-11211308156","price":3999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Crankshaft-E30-M3-2.3L.webp?v=1712771784"},{"product_id":"genuine-bmw-crankshaft-bmw-s14-2-5l","title":"S14 EVO3 2.5L Crankshaft, E30 M3","description":"\u003cp\u003eNEW OEM S14 EVO3 2.5L Crankshaft 4-cylinder engine. Replaces BMW Part number 11211315485, 11211316978, \u003cspan data-mce-fragment=\"1\"\u003e11211316979 \u003c\/span\u003efactory 87mm Stroke.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDoes NOT come with bearings.\u003c\/span\u003e\u003c\/p\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":47692705300787,"sku":"BMW-11211315485","price":4799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Crankshaft-E30-M3-2.5L.webp?v=1712771736"},{"product_id":"5150-autosport-stroker-kit-bmw-s14-2-5l","title":"BMW S14 2.5L Stroker Kit by 5150 AutoSport","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBigger displacement, more torque and more power. Our 5150 Autosport 2.5L Stroker kit is specifically designed for BMW S14 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUtilizing CP-Carrillo Forged Pistons and Carrillo \u003cem data-mce-fragment=\"1\"\u003eor\u003c\/em\u003e SP Components Forged Connecting Rods, as well as the Genuine BMW 2.5L Euro Crankshaft, this kit has stood up to the tests and trials of high horsepower application time and time again. \u003cstrong data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eWe only sell you the products that we have used and tested ourselves.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOther teams have applied this kit in Hill Climb, Road Racing, Endurance Racing, Rally, Time Attack, Drag Racing, Roll Racing, Drifting, and Street applications, all with powerful results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eBenefits of Stroking an Engine\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\" style=\"padding-left: 30px;\" data-mce-style=\"padding-left: 30px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e- With higher displacement, your engine will produce greater power and torque, thanks to increased cylinder volume and improved air-fuel mixture combustion\u003cbr\u003e\u003c\/span\u003e- \u003cspan data-mce-fragment=\"1\"\u003eThe longer stroke in the crankshaft increases the leverage on the connecting rods, resulting in increased torque output at lower RPMs\u003cbr\u003e\u003c\/span\u003e- Improved throttle response\u003cbr data-mce-fragment=\"1\"\u003e- Increased horsepower\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eKit Contents \u003c\/em\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\" style=\"padding-left: 30px;\" data-mce-style=\"padding-left: 30px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e- Genuine BMW Euro Crankshaft, 87mm Stroke \u003c\/span\u003e\u003cbr\u003e- SP Components Lightweight Connecting Rods\u003cbr\u003e    - Optional upgrade to Carrillo Connecting Rods\u003cbr\u003e- CP-Carrillo Forged Pistons\u003cbr\u003e    - CP-Carrillo Piston Wrist Pins \u003cbr data-mce-fragment=\"1\"\u003e    - CP-Carrillo Piston Rings \u003cbr data-mce-fragment=\"1\"\u003e    - CP-Carrillo Piston Wire Locks\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur stroker kit offers the following displacements depending on the selected bore size:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e93.5 mm\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003ebore size results in a displacement\u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e2390\u003cspan data-mce-fragment=\"1\"\u003e cc\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e94 mm\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003ebore size results in a displacement\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e2415 cc\u003cstrong data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e94.5 mm\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebore size results in a displacement of 2440 cc\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e95 mm\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebore size yields a displacement of 2466 cc\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e95.5 mm\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebore size provides a displacement of 2493 cc\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDon't see the piston combination you're looking for? Have more questions? \u003cspan style=\"color: #ff2a00;\"\u003e\u003ca data-mce-fragment=\"1\" href=\"mailto:Sales@5150AutoSport.com\" style=\"color: #ff2a00;\" data-mce-href=\"mailto:Sales@5150AutoSport.com\"\u003eContact our engine build advisors\u003c\/a\u003e\u003c\/span\u003e to discuss your next build.\u003c\/span\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"93.5 mm \/ 9:1 \/ SP Components","offer_id":47692881297715,"sku":"5150-SK-S14-2.5-93.5-9-SP","price":4899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 9:1 \/ CP-Carrillo WMC","offer_id":47692954304819,"sku":"5150-SK-S14-2.5-93.5-9-CAR-WMC","price":5299.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 9:1 \/ CP-Carrilo CARR","offer_id":47692954337587,"sku":"5150-SK-S14-2.5-93.5-9-CAR-CARR","price":5499.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 10:1 \/ SP 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CARR","offer_id":47692955910451,"sku":"5150-SK-S14-2.5-95.5-13-CAR-CARR","price":5499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-E36-M3-2.5L-Stroker-Kit.webp?v=1761069009"},{"product_id":"5150-autosport-billet-stroker-crankshaft-bmw-s14-2-7l","title":"5150 AutoSport 4340 Billet Steel Stroker Crankshaft, BMW S14 2.7L","description":"\u003cp\u003eNEW 5150 Billet Stroker crankshaft for the BMW S14 4 cylinder engine. Replaces BMW Part numbers 11211315485, 11211316978, \u003cspan data-mce-fragment=\"1\"\u003e11211316979, \u003cmeta charset=\"UTF-8\"\u003e11211308156, 11211310619, 11211310618, and 11211310719. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4340 Billet Steel Crankshaft, 9\u003c\/span\u003e\u003cspan\u003e5\u003c\/span\u003e\u003cspan\u003emm Stroke\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDoes NOT come with bearings.\u003c\/span\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":47693022331187,"sku":"5150-CS-S14B27","price":3199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Stroker-Crankshaft-for-E30-M3.webp?v=1712771875"},{"product_id":"5150-autosport-stroker-kit-bmw-s14-2-7l","title":"BMW S14 2.7L Stroker Kit by 5150 AutoSport","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBigger displacement, more torque and more power. Our 5150 Autosport 2.7L Stroker kit is specifically designed for BMW S14 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUtilizing CP-Carrillo Forged Pistons and Carrillo \u003cem\u003eor\u003c\/em\u003e SP Components Forged Connecting Rods, as well as the 5150 Billet Steel Crankshaft, this kit has stood up to the tests and trials of high horsepower application time and time again. \u003cstrong data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eWe only sell you the products that we have used and tested ourselves.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOther teams have applied this kit in Hill Climb, Road Racing, Endurance Racing, Rally, Time Attack, Drag Racing, Roll Racing, Drifting, and Street applications, all with powerful results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eBenefits of Stroking an Engine\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\" style=\"padding-left: 30px;\" data-mce-style=\"padding-left: 30px;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e- With higher displacement, your engine will produce greater power and torque, thanks to increased cylinder volume and improved air-fuel mixture combustion\u003cbr\u003e\u003c\/span\u003e- \u003cspan data-mce-fragment=\"1\"\u003eThe longer stroke in the crankshaft increases the leverage on the connecting rods, resulting in increased torque output at lower RPMs\u003cbr\u003e\u003c\/span\u003e- Improved throttle response\u003cbr data-mce-fragment=\"1\"\u003e- Increased horsepower\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eKit Contents \u003c\/em\u003e\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\"\u003e- 5150 Autosport 4340 Billet Steel Crankshaft, 95 mm Stroke \u003cbr\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\"\u003e    - Professionally turned, polished, and coated with anti-wear coating\u003cbr\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\"\u003e    - Fully balanced\u003c\/span\u003e\u003cbr\u003e- SP Components Lightweight Connecting Rods\u003cbr\u003e    - Optional upgrade to Carrillo Connecting Rods\u003cbr\u003e- CP-Carrillo Forged Pistons\u003cbr\u003e    - CP-Carrillo Piston Wrist Pins \u003cbr data-mce-fragment=\"1\"\u003e    - CP-Carrillo Piston Rings \u003cbr data-mce-fragment=\"1\"\u003e    - CP-Carrillo Piston Wire Locks\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur stroker kit offers the following displacements depending on the selected bore size:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e93.5 mm\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003ebore size results in a displacement\u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e2609\u003cspan data-mce-fragment=\"1\"\u003e cc\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e94 mm\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003ebore size results in a displacement\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e2637 cc\u003cstrong data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e94.5 mm\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebore size results in a displacement of 2665 cc\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e95 mm\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebore size yields a displacement of 2693 cc\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e95.5 mm\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebore size provides a displacement of 2722 cc\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDon't see the piston combination you're looking for? Have more questions? \u003cspan style=\"color: #ff2a00;\"\u003e\u003ca data-mce-fragment=\"1\" style=\"color: #ff2a00;\" href=\"mailto:Sales@5150AutoSport.com\" data-mce-href=\"mailto:Sales@5150AutoSport.com\"\u003eContact our engine build advisors\u003c\/a\u003e\u003c\/span\u003e to discuss your next build.\u003c\/span\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"93.5 mm \/ 9:1 \/ SP Components","offer_id":47693076300083,"sku":"5150-SK-S14-2.7-93.5-9-SP","price":4899.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 9:1 \/ CP-Carrillo WMC","offer_id":47693076332851,"sku":"5150-SK-S14-2.7-93.5-9-CAR-WMC","price":5299.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 9:1 \/ CP-Carrilo CARR","offer_id":47693076365619,"sku":"5150-SK-S14-2.7-93.5-9-CAR-CARR","price":5499.99,"currency_code":"USD","in_stock":true},{"title":"93.5 mm \/ 10:1 \/ SP 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You know you could add more power with a turbo conversion, but you already love the way it sounds, feels, and drives. Many customers aren't interested in the extra wear and tear of forced \u003c\/span\u003einduction, power lags, or a crowded engine bay.\u003c\/p\u003e\n\u003cp\u003eFor the classic BMW enthusiast interested in rebuilding their engine with bulletproof internals, we’re introducing the 5150 Factory+ Kit. A carefully curated, budget-friendly option for those looking to rebuild their Naturally Aspirated engine and keep the E30 M3 legend alive for years to come.\u003c\/p\u003e\n\u003cp\u003eThis kit includes everything you need to refresh and bulletproof your rotating assembly, and features the best components on the market for modest NA upgrades:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eARP2000 Head Stud Kit\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eCometic Multi-Layer Steel Head Gasket\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eCP-Carrillo Forged Piston Set\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eSP Components Connecting Rod Set\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003eARP Connecting Rod Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eARP Main Stud Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for both resto-modders interested in extending the life of their engine and road racers who push their NA motors to the upper limits on track.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003ePlease note:\u003c\/span\u003e All engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e\n\u003c!----\u003e","brand":"5150 AutoSport","offers":[{"title":"S14B20","offer_id":51020301402419,"sku":"5150-FRK-S14B20","price":2219.99,"currency_code":"USD","in_stock":true},{"title":"S14B23","offer_id":51020301435187,"sku":"5150-FRK-S14B23","price":2219.99,"currency_code":"USD","in_stock":true},{"title":"S14B25","offer_id":51020301467955,"sku":"5150-FRK-S14B25","price":2219.99,"currency_code":"USD","in_stock":true},{"title":"S14B27","offer_id":51020301500723,"sku":"5150-FRK-S14B27","price":2219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Forged-Engine-Rebuild-Kit.webp?v=1719415356"},{"product_id":"s14-evo3-billet-crankshaft-by-5150-autosport","title":"S14 EVO3 Billet Crankshaft by 5150 AutoSport","description":"\u003cp\u003eDue to the challenges in sourcing the S14B25 Evo3 2.5L crankshaft from BMW, we have decided to offer a 4340 billet steel crankshaft at a comparable or lower price than BMW. \u003cbr\u003e\u003cbr\u003eThe dimensions are identical to the BMW Evo3 specifications, allowing you to use factory main and rod bearings, factory pistons, and factory connecting rods. This will be a great upgrade for the S14B20 and S14B23 engine.\u003cbr\u003e\u003cbr\u003eNEW 5150 Billet Stroker crankshaft for the BMW S14 - cylinder engine. Replaces BMW Part numbers 11211315485, 11211316978, \u003cspan data-mce-fragment=\"1\"\u003e11211316979, \u003cmeta charset=\"UTF-8\"\u003e11211308156, 11211310619, 11211310618, and 11211310719. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4340 Billet Steel Crankshaft, 87\u003c\/span\u003e\u003cspan\u003emm Stroke\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDoes NOT come with bearings. \u003c\/span\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":49844485456179,"sku":"5150-CS-S14B25","price":3599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Stroker-Crankshaft-for-E30-M3.webp?v=1712771875"},{"product_id":"s14-cylinder-head-service","title":"S14 Cylinder Head Service by 5150 AutoSport","description":"\u003cp\u003e\u003cstrong\u003e5150 AutoSport Performance Cylinder Head Services for BMW S14 Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePlease note that price is based on customer providing core. If you need help sourcing a core, please \u003ca href=\"mailto:sales@5150autosport.com\"\u003econtact our sales team\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eInvesting in a performance cylinder head service is crucial for optimizing engine potential in performance builds. We offer three levels of service to meet your budget and build goals, from OEM refresh to full race-level machining:\u003c\/p\u003e\n\u003ch3 data-start=\"703\" data-end=\"766\"\u003e\u003cstrong data-start=\"707\" data-end=\"764\"\u003eStage 1 – OEM Refresh (Rebuild \u0026amp; Reliability Focused)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"767\" data-end=\"835\"\u003e\u003cem\u003eIdeal for stock or mildly modified engines needing a proper refresh.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"1417\"\u003eThe cylinder head is fully disassembled, cleaned, and soda blasted to remove carbon and contaminants. Valve guides are measured and inspected, with new guides installed if needed, then precision reamed and honed for proper clearance. A 5-angle valve job is performed to restore sealing efficiency, followed by resurfacing to ensure a flat, true mating surface. New Viton valve seals are installed, the head is fully reassembled using OEM valves, guides, springs, and retainers, and pressure tested after assembly.\u003cbr data-start=\"1350\" data-end=\"1353\"\u003e\u003cem data-start=\"1353\" data-end=\"1417\"\u003eOptional service upgrade: add a \u003ca href=\"https:\/\/5150autosport.com\/collections\/valve-spring-kits?filter.v.m.mm-google-shopping.custom_label_0=S14\u0026amp;sort_by=best-selling\"\u003ehigh-performance valve spring kit\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"1417\"\u003e\u003cstrong\u003e\u003cem data-start=\"1353\" data-end=\"1417\"\u003eStage 1 at a Glance: \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eDisassemble and Clean\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eSoda Blast\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eInspect and Measure Valve Guides\n\u003cul\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eRemoval and Installation of new Guides, if necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eReam and Hone Valve Guides\u003c\/li\u003e\n\u003cli\u003e5-Angle Valve Job\u003c\/li\u003e\n\u003cli\u003eResurfacing\u003c\/li\u003e\n\u003cli\u003eFinal Wash\u003c\/li\u003e\n\u003cli\u003eInstall New Viton Valve Seals\u003c\/li\u003e\n\u003cli\u003eSetting of Seat Pressure\u003c\/li\u003e\n\u003cli\u003eFull Reassembly\u003c\/li\u003e\n\u003cli\u003ePressure Testing after assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"703\" data-end=\"766\"\u003e\u003cstrong data-start=\"707\" data-end=\"764\"\u003eStage 2 – \u003cspan\u003ePerformance Valvetrain Upgrade\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1475\" data-end=\"1522\"\u003e\u003cem\u003eFor higher RPM builds and increased durability.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1524\" data-end=\"1834\"\u003eIncludes everything from \u003cstrong data-start=\"1549\" data-end=\"1560\"\u003eStage 1\u003c\/strong\u003e\u003cstrong\u003e, plus upgraded high-performance valves, a high-performance valve spring kit, and new valve locks\/keepers.\u003c\/strong\u003e This stage improves valvetrain stability, reduces the risk of valve float, and prepares the head for more aggressive use while retaining OEM-style machining processes.\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"1417\"\u003e\u003cstrong\u003e\u003cem data-start=\"1353\" data-end=\"1417\"\u003eStage 2 at a Glance: \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eDisassemble and Clean\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eSoda Blast\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eRemoval of OEM Valve Guides\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eInstallation of Performance Valve Guides\u003c\/li\u003e\n\u003cli\u003eReam and Hone Valve Guides\u003c\/li\u003e\n\u003cli\u003e5-Angle Valve Job\u003c\/li\u003e\n\u003cli\u003eResurfacing\u003c\/li\u003e\n\u003cli\u003eFinal Wash\u003c\/li\u003e\n\u003cli\u003eInstall New Viton Valve Seals\u003c\/li\u003e\n\u003cli\u003eInstall New High Performance Valve Spring Kit\u003c\/li\u003e\n\u003cli\u003eInstall New High Performance Valve Kit\u003c\/li\u003e\n\u003cli\u003eInstall New High Performance Valve Keepers\u003c\/li\u003e\n\u003cli\u003eSetting of Seat Pressure\u003c\/li\u003e\n\u003cli\u003eFull Reassembly\u003c\/li\u003e\n\u003cli\u003ePressure Testing after assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"703\" data-end=\"766\"\u003e\u003cstrong data-start=\"707\" data-end=\"764\"\u003ePro-Xtreme – All-Out Performance Cylinder Head Service\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1906\" data-end=\"1977\"\u003e\u003cem\u003eDesigned for high-horsepower, forced-induction, and competition builds.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-start=\"1979\" data-end=\"2938\"\u003eThe cylinder head undergoes complete disassembly, cleaning, and in-depth inspection, including crack, leak, and pressure testing. Factory valve guides are replaced with high-performance guides, then precision reamed and honed for extreme heat and RPM stability. \u003c\/p\u003e\n\u003cp data-start=\"1979\" data-end=\"2938\"\u003eCNC multi-angle porting is performed on both intake and exhaust ports to improve airflow consistency across all cylinders. A CNC multi-angle intake valve job and radius exhaust valve job optimize flow into and out of the combustion chamber. Valves are unshrouded to further enhance airflow, and preventative chamfering is applied in critical areas to reduce stress concentrations.\u003c\/p\u003e\n\u003cp data-start=\"1979\" data-end=\"2938\"\u003eThe mating surface is trueness checked, resurfaced, and verified again for perfect sealing. After machining, the head is thoroughly washed and assembled using balanced and blueprint-matched high-performance valves, along with balanced valve springs and retainers for precise valve control and long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"1417\"\u003e\u003cstrong\u003e\u003cem data-start=\"1353\" data-end=\"1417\"\u003ePro-Xtreme at a Glance: \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eDisassemble and Clean\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eSoda Blast\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eRemoval of OEM Valve Guides\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"1417\"\u003eInstallation of Performance Valve Guides\u003c\/li\u003e\n\u003cli\u003eReam and Hone Valve Guides\u003c\/li\u003e\n\u003cli\u003e5-Axis CNC Intake Porting\u003c\/li\u003e\n\u003cli\u003e5-Axis CNC Exhaust Porting\u003c\/li\u003e\n\u003cli\u003eCNC Combustion Chamber Modification\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e5-Angle CNC Intake Valve Job\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e5-Angle CNC Exhaust Valve Job\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUnshrouding of Valves\u003c\/li\u003e\n\u003cli\u003ePreventative Chamfering in Potential Problem Areas\u003c\/li\u003e\n\u003cli\u003eTrueness Checking of Mating Surface\u003c\/li\u003e\n\u003cli\u003eResurfacing\u003c\/li\u003e\n\u003cli\u003eFinal Wash\u003c\/li\u003e\n\u003cli\u003eInstall New Viton Valve Seals\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstall New High Performance Valve Spring Kit\u003c\/li\u003e\n\u003cli\u003eInstall New High Performance Valve Kit\u003c\/li\u003e\n\u003cli\u003eInstall New High Performance Valve Keepers\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eSetting of Seat Pressure\u003c\/li\u003e\n\u003cli\u003eFull Reassembly\u003c\/li\u003e\n\u003cli\u003ePressure Testing after Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eRead more about our Pro-Xtreme service \u003ca href=\"https:\/\/5150autosport.com\/blogs\/product-faq\/5150-pro-xtreme-cylinder-head-services\"\u003ehere\u003c\/a\u003e. \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/F0_2xENSHKY?si=NiO2ktNtUdHj0CxZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePhotos for reference only - B48 cylinder head pictured\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"5150 AutoSport","offers":[{"title":"Stage 1","offer_id":53018775159091,"sku":"5150-CH-S14-S1","price":1000.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":53018775191859,"sku":"5150-CH-S14-S2","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"Pro-Xtreme","offer_id":53018775224627,"sku":"5150-CH-S14-XT","price":3800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Cylinder-Head-in-Rottler-5-Axis-CNC-Machine.webp?v=1736192962"},{"product_id":"bmw-s14-rod-bolts","title":"BMW S14 Connecting Rod Bolts by ARP","description":"\u003cp\u003eUpgrade your BMW S14 engine, as found in the iconic E30 M3, with ARP Connecting Rod Bolts—the ultimate choice for strength, reliability, and performance. Crafted in the USA by Automotive Racing Products (ARP), these bolts are engineered to outperform OEM rod bolts and deliver superior durability in high-performance applications.\u003c\/p\u003e\n\u003cp\u003ePerfect for rebuilds or preparing the engine for performance modifications, ARP rod bolts are built to handle extreme conditions with confidence. Manufactured from premium materials and precision-engineered, they resist stretch and protect your engine by keeping the connecting rods securely fastened to the crankshaft, even under high RPMs and intense loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Strength:\u003c\/strong\u003e Designed to handle higher stress levels, reducing the risk of failure in demanding setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched Durability:\u003c\/strong\u003e Outstanding fatigue resistance ensures long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit:\u003c\/strong\u003e Custom-designed for the BMW S14 engine, ensuring seamless installation in your E30 M3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach kit includes 8 precision bolts and ARP’s trusted assembly lubricant for proper installation. Follow ARP’s torque specifications for optimal results.\u003c\/p\u003e\n\u003cp\u003eProven by professional builders and racers alike, ARP Connecting Rod Bolts are a must-have upgrade for anyone seeking maximum reliability and performance. Whether you're restoring your E30 M3, preparing it for the track, or enhancing its legendary driving dynamics, these bolts ensure your S14 engine is ready for anything.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Instructions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eEnsure there is an adequate chamfer around the bolt hole on the connecting rod bolt hole on the connecting rod cap to clear the radius under the head of the bolt\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003eARP Ultra-Torque Fastener Assembly Lubricant\u003c\/strong\u003e to lubricate the threads of the bolt and the under head of the bolt. Then install the bolts and tighten them them hand tight. \u003c\/li\u003e\n\u003cli\u003eARP recommends using the \u003cstrong\u003eStretch Method\u003c\/strong\u003e when tightening rod bolts. Following the instructions for using a stretch gauge, \u003cstrong\u003estretch the bolts to 0.0065 - 0.0070\u003c\/strong\u003e. \u003c\/li\u003e\n\u003cli\u003eIf you do not have a stretch gauge, torque the bolts to \u003cstrong\u003e70 ft-lbs\u003c\/strong\u003e using \u003cstrong\u003eARP Ultra-Torque Fastener Assembly Lubricant\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe connecting rods should always be re-sized after new rod bolts are installed. \u003c\/li\u003e\n\u003cli\u003eA log should be kept on the original non-torqued length of each bolt. Bolts that have any permanent deformation or have increased in non-torqued length by more than 0.001 inch should be replaced. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"ARP Automotive Racing Products","offers":[{"title":"Default Title","offer_id":50942330470707,"sku":"ARP-RBS-S14","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/ARP-Rod-Bolt-Set-for-BMW-Engines-4_033cffd3-1605-4b24-a997-2b77b337ae99.webp?v=1710265496"},{"product_id":"s14-forged-rod-piston-kit","title":"BMW S14B23 Forged Rod \u0026 Piston Kit","description":"\u003cp\u003e\u003cstrong\u003eFortify Your BMW S14 Engine with the 5150 AutoSport Forged Piston \u0026amp; Rod Kit – Built for High-Performance Durability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5150 AutoSport Forged Piston \u0026amp; Rod Kit is engineered for the BMW S14 engine, offering extreme durability and precision for performance applications. Whether you're upgrading for a naturally aspirated setup or pushing limits with forced induction, this kit is designed to deliver exceptional results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose the Forged Rod \u0026amp; Piston Kit for Your BMW S14?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCrafted from high-strength forged aluminum, this kit includes \u003cstrong\u003e94 mm Bore, 11:1 CR Forged Pistons\u003c\/strong\u003e and \u003cstrong\u003e144 mm Carrillo Rods\u003c\/strong\u003e tailored for the BMW S14. Perfect for competitive builds or street-driven restorations, this kit enhances responsiveness and delivers smooth, consistent power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCP Forged Pistons - 94 mm Bore, 11:1 CR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e Up to 800 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy Choose:\u003c\/strong\u003e Ideal for drivers pushing well beyond OEM limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eArias Forged Pistons - 94 mm Bore, 11:1 CR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e Up to 400 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy Choose:\u003c\/strong\u003e Premium quality without the premium price tag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCarrillo Forged Rods\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e Up to 800 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy Choose:\u003c\/strong\u003e Known for their strength and reliability, Carrillo rods provide flexibility for high-power street and occasional track use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Specific:\u003c\/strong\u003e Designed for the S14 engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Forged aluminum pistons and rods for superior strength and reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Ideal for both naturally aspirated and high-boost applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power:\u003c\/strong\u003e Enhances throttle response and smooth power delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're revitalizing a classic BMW E30 M3 or building a race-ready machine, the 5150 AutoSport Forged Piston \u0026amp; Rod Kit for the BMW S14 combines premium materials with precision engineering to meet the demands of high-performance enthusiasts.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"S14B23 \/ Arias","offer_id":51015457898803,"sku":"5150-PRC-S14B23-ARI","price":1899.98,"currency_code":"USD","in_stock":true},{"title":"S14B23 \/ CP-Carrillo","offer_id":51278861762867,"sku":"5150-PRC-S14B23-CAR","price":2099.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-Forged-Piston-_-Connecting-Rod-Sets-for-4-Cylinder-Engines.webp?v=1732913691"},{"product_id":"5150-autosport-high-performance-rod-bearing-set-bmw-s14","title":"BMW E30 M3 S14 High Performance Rod Bearing Set","description":"\u003cp\u003eDesigned to meet the rigorous demands of high-performance engine builds, 5150 High Performance Coated Rod Bearing Sets are a top choice for BMW S14B20, S14B23, S14B25, S14B27 engines. These bearings feature shells treated and coated by Calico, significantly reducing friction and enhancing overall engine performance.\u003c\/p\u003e\n\u003cp\u003eThe advanced coating not only aids in power generation but also provides superior resistance against \"spinning\" under extreme conditions. Unlike OEM bearings, which may not withstand the stresses of high horsepower applications, 5150 bearings incorporate thermal-resistant properties that are essential for both forced induction and racing environments. This feature helps prevent catastrophic engine failure during oil pressure loss, ensuring reliability when it matters most.\u003c\/p\u003e\n\u003cp\u003eProven on and off the track, 5150 bearings have demonstrated superior longevity and performance compared to other options available in the market. When considering replacement rod bearings, 5150 provides the performance edge that discerning BMW enthusiasts seek, making it the smart choice for anyone serious about their engine's capabilities. Choose 5150 for unparalleled performance and peace of mind in every high-stakes driving scenario.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cspan color=\"#000000\" style=\"color: #000000;\"\u003eTech Notes:\u003c\/span\u003e\u003c\/span\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e\u003cspan color=\"#000000\" style=\"color: #000000;\"\u003eAs with all bearings, please check your tolerances and size before installation. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e\u003cspan color=\"#000000\" style=\"color: #000000;\"\u003eDue to the specialized tools needed, professional install recommended.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e\u003cspan color=\"#000000\" style=\"color: #000000;\"\u003eThere are no returns available on any engine bearings.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/V10_Bearing_Sheet.pdf?v=1739573462\"\u003eInstallation Sheet\u003c\/a\u003e\u003cspan\u003e\u003cspan color=\"#000000\" style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1989-1991      E30     320is [Portugal and Italy]\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1990      E30     M3 Sport Evo (Evo III)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBMW S14B27 Stroker \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":51020852068659,"sku":"5150-HPRBS-S14","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Performance-Coated-Rod-Bearings-N20-N26.webp?v=1711722910"},{"product_id":"5150-autosport-high-performance-rod-bearing-kit-bmw-s14","title":"E30 M3 S14 High Performance Rod Bearing Kit","description":"\u003cp\u003eOur High-Performance Rod Bearing Kit for the BMW S14 engine is engineered as a superior upgrade to factory OEM bearings. Designed to address the common shortcomings of stock bearings, our kit includes Calico-coated rod bearings, ARP connecting rod bolts, and ARP assembly lubricant—providing a complete solution for connecting rod maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCalico-Coated Rod Bearings\u003c\/li\u003e\n\u003cli\u003eARP Connecting Rod Bolts\u003c\/li\u003e\n\u003cli\u003eARP Assembly Lubricant\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/V10_Bearing_Sheet.pdf?v=1739573462\"\u003eInstallation Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Calico-coated bearings feature advanced anti-friction technology, ensuring consistent lubrication even under high-stress conditions. This makes them ideal for both high-performance engines and street vehicles, offering reliable performance and protection against bearing-related failures, such as spun rod bearings—especially during cold starts.\u003c\/p\u003e\n\u003cp\u003eIn addition to reduced friction, these coated bearings provide excellent thermal resistance, which is crucial for engines subjected to forced induction or racing. This thermal resilience also acts as a safety net, reducing the risk of engine failure in situations involving oil pressure loss.\u003c\/p\u003e\n\u003cp\u003eWith a proven track record of extended durability and superior performance, the 5150 AutoSport rod bearing kit offers an unmatched level of reliability compared to standard OEM bearings, making it an excellent choice for anyone looking to protect and enhance their BMW S14\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTech Notes:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e- Just as with any bearings, it's crucial to \u003c\/span\u003e\u003cem style=\"font-size: 0.875rem;\"\u003everify tolerances and dimensions prior to installation\u003c\/em\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e- Given the specialized tools necessary, we strongly recommend seeking \u003c\/span\u003e\u003cem style=\"font-size: 0.875rem;\"\u003eprofessional installation\u003c\/em\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e- There are \u003cem\u003eno returns available on any engine bearings\u003c\/em\u003e.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eRod Bolt Installation Instructions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eEnsure there is an adequate chamfer around the bolt hole on the connecting rod bolt hole on the connecting rod cap to clear the radius under the head of the bolt\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003eARP Ultra-Torque Fastener Assembly Lubricant\u003c\/strong\u003e to lubricate the threads of the bolt and the under head of the bolt. Then install the bolts and tighten them them hand tight. \u003c\/li\u003e\n\u003cli\u003eARP recommends using the \u003cstrong\u003eStretch Method\u003c\/strong\u003e when tightening rod bolts. Following the instructions for using a stretch gauge, \u003cstrong\u003estretch the bolts to 0.0065 - 0.0070\u003c\/strong\u003e. \u003c\/li\u003e\n\u003cli\u003eIf you do not have a stretch gauge, torque the bolts to \u003cstrong\u003e70 ft-lbs\u003c\/strong\u003e using \u003cstrong\u003eARP Ultra-Torque Fastener Assembly Lubricant\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe connecting rods should always be re-sized after new rod bolts are installed. \u003c\/li\u003e\n\u003cli\u003eA log should be kept on the original non-torqued length of each bolt. Bolts that have any permanent deformation or have increased in non-torqued length by more than 0.001 inch should be replaced. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1989-1991      E30     320is [Portugal and Italy]\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1990      E30     M3 Sport Evo (Evo III)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBMW S14B27 Stroker\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":51020862619955,"sku":"5150-HPRBK-S14","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/RodBearingReplacementKitforBMWN20N26Engines.webp?v=1711721938"},{"product_id":"s14-main-bearings","title":"5150 AutoSport High Performance Main Bearing Set, BMW S14","description":"\u003cp\u003e5150 AutoSport's High-Performance Coated Main Bearing Set for BMW S14 engines is engineered for maximum durability and efficiency in high-performance builds. Coated by Calico, \u003cem\u003e\u003cstrong\u003ethese bearings reduce friction, allowing the engine to generate more power while resisting wear from extreme stress and high RPMs.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe advanced \u003cem\u003e\u003cstrong\u003ethermal-resistant coating makes them ideal for forced induction and racing applications, providing reliable protection even during oil pressure loss,\u003c\/strong\u003e\u003c\/em\u003e which is crucial for preventing catastrophic engine failure. Proven in both street and track conditions, these bearings consistently outperform OEM options, offering greater longevity and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan color=\"#000000\"\u003eTech Notes:\u003c\/span\u003e \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs with all bearings, please check your tolerances and size before installation.\u003c\/li\u003e\n\u003cli\u003eDue to the specialized tools needed, professional install recommended.\u003c\/li\u003e\n\u003cli\u003eThere are no returns available on any engine bearings.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":51026999443763,"sku":"5150-HPMBS-S14","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Main-Bearing-Set.webp?v=1738357394"},{"product_id":"bmw-s14-valves","title":"BMW S14 Valves by SuperTech","description":"\u003cp\u003eThe \u003cstrong\u003eSuperTech High-Performance Valve Kit\u003c\/strong\u003e for the \u003cstrong\u003eBMW S14\u003c\/strong\u003e engine is designed for enthusiasts and engine builders seeking superior durability, reliability, and power gains. Engineered specifically for the high-revving \u003cstrong\u003eS14 4-cylinder\u003c\/strong\u003e, this kit is ideal for \u003cstrong\u003erace, track, and performance street applications\u003c\/strong\u003e, ensuring maximum airflow and efficiency.\u003c\/p\u003e\n\u003cp\u003eSuperTech’s precision-crafted valves offer \u003cstrong\u003eexceptional strength and heat resistance\u003c\/strong\u003e, making them a trusted choice for demanding performance builds. With an optimized design to enhance airflow, these valves contribute to improved \u003cstrong\u003ehorsepower, throttle response, and overall engine efficiency\u003c\/strong\u003e—critical for extracting the full potential of the legendary \u003cstrong\u003eBMW S14\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eManufactured from \u003cstrong\u003epremium materials\u003c\/strong\u003e and built to exact specifications, SuperTech valves ensure \u003cstrong\u003eperfect fitment\u003c\/strong\u003e and \u003cstrong\u003elong-term reliability\u003c\/strong\u003e in high-performance applications. Whether you're rebuilding an \u003cstrong\u003eE30 M3 engine\u003c\/strong\u003e for competition or enhancing its street performance, this kit delivers \u003cstrong\u003eproven power gains and consistent results\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for BMW S14 Engines\u003c\/strong\u003e – Precision-engineered for E30 M3 applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Airflow \u0026amp; Power\u003c\/strong\u003e – Increases engine efficiency and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Heat Resistant\u003c\/strong\u003e – Built to withstand extreme temperatures and high RPM use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Racing \u0026amp; Street Performance\u003c\/strong\u003e – Suitable for high-output applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven by Engine Builders\u003c\/strong\u003e – Trusted SuperTech quality for performance enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTake your \u003cstrong\u003eBMW S14 engine\u003c\/strong\u003e to the next level with \u003cstrong\u003eSuperTech’s high-performance valve kit\u003c\/strong\u003e—designed to deliver \u003cstrong\u003emaximum reliability and power\u003c\/strong\u003e where it matters most.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eStandard Size is 37 mm Intake \/ 32 mm Exhaust\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e\u003cstrong\u003eLonger length valves are for shim-under-bucket applications. \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eIf you aren't sure which valves you need for your application, CONSULT WITH A PROFESSIONAL ENGINE BUILDER.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cem\u003e\u003cstrong\u003eKit Contents: \u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e(8) Intake Valves \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e(8) Exhaust Valves \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eBMW S14 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B20\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1989-1991      E30     320is [Portugal and Italy]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBMW S14B25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1990      E30     M3 Sport Evo (Evo III)\u003c\/p\u003e","brand":"SuperTech","offers":[{"title":"37 mm - 123 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Add Valve Locks","offer_id":51041748418867,"sku":"","price":729.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Valves Only","offer_id":51041748451635,"sku":"","price":629.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":51041757102387,"sku":"","price":729.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":51041757135155,"sku":"","price":629.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467641811251,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467641844019,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":52467641876787,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":52467641909555,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Add Valve Locks","offer_id":52467641942323,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Valves Only","offer_id":52467641975091,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642007859,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"37 mm - 123 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642040627,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Add Valve Locks","offer_id":51041748484403,"sku":"","price":729.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Valves Only","offer_id":51041748517171,"sku":"","price":629.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":51041757167923,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":51041757200691,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642073395,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642106163,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642138931,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":52467642171699,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Add Valve Locks","offer_id":52467642204467,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Valves Only","offer_id":52467642237235,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642270003,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38 mm - 121.4 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642302771,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Add Valve Locks","offer_id":51041757233459,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Valves Only","offer_id":51041757266227,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":51041757298995,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":51041757331763,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642335539,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642368307,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642401075,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":52467642433843,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Add Valve Locks","offer_id":52467642466611,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Valves Only","offer_id":52467642499379,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642532147,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 121.4 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642564915,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Add Valve Locks","offer_id":52467642597683,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 32 mm - 125 mm - Inconel \/ Valves Only","offer_id":52467642630451,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642663219,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 32.5 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":52467642695987,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642728755,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 32.5 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642761523,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642794291,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 33 mm - 123.7 mm - Black Nitride \/ Valves Only","offer_id":52467642827059,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Add Valve Locks","offer_id":52467642859827,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 33 mm - 123.7 mm - Inconel \/ Valves Only","offer_id":52467642892595,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Add Valve Locks","offer_id":52467642925363,"sku":null,"price":729.99,"currency_code":"USD","in_stock":true},{"title":"38.5 mm - 123.8 mm - Black Nitride \/ 33 mm - 126.1 mm - Black Nitride \/ Valves Only","offer_id":52467642958131,"sku":null,"price":629.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Valves-with-locks.webp?v=1738705343"},{"product_id":"bmw-s14-arias-pistons","title":"BMW S14 Piston Set by Arias","description":"\u003ch3\u003e\n\u003cstrong\u003eArias Forged Pistons for BMW S14B23 – 94mm Bore, 11:1 Compression \u003c\/strong\u003e\u003cstrong\u003e– Mixing Power \u0026amp; Affordability \u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eArias Pistons, backed by \u003cstrong\u003e55 years of high-performance piston engineering experience,\u003c\/strong\u003e now offers a piston set for the BMW S14 platform. \u003c\/p\u003e\n\u003cp\u003eManufactured from Arias forgings in the CP-Carrillo facility in California, USA, these \u003cstrong\u003e94mm bore, 11:1 compression\u003c\/strong\u003e forged pistons offer race-proven durability and precision machining at a competitive price.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eArias Forged Pistons \u003cstrong\u003efar exceed OEM quality\u003c\/strong\u003e, offering superior strength, durability, and precision engineering designed to withstand the extreme demands of high-performance and forced induction applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003eup to 400HP\u003c\/strong\u003e, Arias Forged Pistons are the ideal solution for\u003cstrong\u003e S14 \u003cem\u003eNaturally Aspirated\u003c\/em\u003e builds\u003c\/strong\u003e that demand strength, reliability, and optimal performance—\u003cstrong\u003eat an affordable price.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePiston Sets Include:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e- Pistons\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Rings \u003cspan style=\"font-weight: 400;\"\u003e(Install Guide \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/CP_Piston_Ring_Installation_Guide.pdf?v=1714414853\" target=\"_blank\"\u003eHere\u003c\/a\u003e)\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Pins\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Locks\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Spec Sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Forged for Strength\u003c\/strong\u003e – Arias forgings are designed to handle high cylinder pressures in \u003cstrong\u003eforced induction applications\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufactured in the CP-Carrillo Facility\u003c\/strong\u003e – Cut on the same machines, by the same specialists, ensuring top-tier quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \u0026amp; Affordability\u003c\/strong\u003e – Get premium quality without the premium price tag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in America \u003c\/strong\u003e– US-sourced forgings machined right here in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eArias Forged Pistons offer the \u003cstrong\u003eperfect blend of power, reliability, and value\u003c\/strong\u003e for S14 builds. If you're aiming for horsepower \u003cstrong\u003eup to 400HP\u003c\/strong\u003e, these pistons provide the \u003cstrong\u003eideal foundation\u003c\/strong\u003e for your engine build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation recommended for maximum performance, safety, and longevity.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"allcategories_subsection\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003ch3\u003e\u003cstrong\u003eBMW S14B23 Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Arias Pistons","offers":[{"title":"Default Title","offer_id":51230118052147,"sku":"ARI-FPS-S14-94-11","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Forged-Arias-Pistons.webp?v=1743083199"},{"product_id":"bmw-s14-400-series-power-pack","title":"BMW S14 400 Series NA Power Pack","description":"\u003cp data-start=\"109\" data-end=\"446\" class=\"\"\u003eThe \u003cstrong data-start=\"113\" data-end=\"138\"\u003e400 Series Power Pack\u003c\/strong\u003e is the one-click forged internals kit for \u003cstrong data-start=\"180\" data-end=\"223\"\u003enaturally aspirated BMW S14B23 engines\u003c\/strong\u003e, delivering modern performance for this legendary engine. Designed for enthusiasts aiming for \u003cstrong\u003e400HP\u003c\/strong\u003e, this kit is a major upgrade over aging OEM components, offering improved strength, durability, and reliability.\u003c\/p\u003e\n\u003cp data-start=\"448\" data-end=\"809\" class=\"\"\u003eFeaturing \u003cstrong data-start=\"458\" data-end=\"512\"\u003eArias Forged Pistons (94mm bore, 11:1 compression)\u003c\/strong\u003e and \u003cstrong data-start=\"517\" data-end=\"550\"\u003eSP Components Connecting Rods\u003c\/strong\u003e, this kit is built for high-revving, naturally aspirated performance. Whether you're restoring an E30 M3 or building a high-output street or track machine, this kit provides a strong foundation without the hassle of sourcing rare factory parts.\u003c\/p\u003e\n\u003ch3 data-start=\"811\" data-end=\"852\" class=\"\"\u003eQuality and Performance for the S14\u003c\/h3\u003e\n\u003cul data-start=\"854\" data-end=\"1248\"\u003e\n\u003cli data-start=\"854\" data-end=\"1044\" class=\"\"\u003e\n\u003cp data-start=\"856\" data-end=\"1044\" class=\"\"\u003e\u003cstrong data-start=\"856\" data-end=\"896\"\u003eSP Components Forged Connecting Rods\u003c\/strong\u003e – Precision-engineered for the \u003cstrong data-start=\"928\" data-end=\"938\"\u003eS14B23\u003c\/strong\u003e, these rods provide \u003cstrong data-start=\"959\" data-end=\"1002\"\u003eexceptional strength\u003c\/strong\u003e, allowing for increased RPM capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1045\" data-end=\"1248\" class=\"\"\u003e\n\u003cp data-start=\"1047\" data-end=\"1248\" class=\"\"\u003e\u003cstrong data-start=\"1047\" data-end=\"1101\"\u003eArias Forged Pistons (94mm Bore, 11:1 Compression)\u003c\/strong\u003e – Manufactured from \u003cstrong data-start=\"1122\" data-end=\"1150\"\u003ehigh-strength alloy\u003c\/strong\u003e, these pistons deliver improved thermal stability and durability for \u003cstrong data-start=\"1220\" data-end=\"1245\"\u003ehigh-rev applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1250\" data-end=\"1293\" class=\"\"\u003eWhy Choose the 400 Series Power Pack?\u003c\/h3\u003e\n\u003cul data-start=\"1295\" data-end=\"1700\"\u003e\n\u003cli data-start=\"1295\" data-end=\"1371\" class=\"\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1371\" class=\"\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1324\"\u003eModern forged internals\u003c\/strong\u003e – A superior alternative to aging factory components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1372\" data-end=\"1503\" class=\"\"\u003e\n\u003cp data-start=\"1374\" data-end=\"1503\" class=\"\"\u003e\u003cstrong data-start=\"1374\" data-end=\"1418\"\u003eOptimized for naturally aspirated builds\u003c\/strong\u003e – 11:1 compression ratio for \u003cstrong data-start=\"1448\" data-end=\"1500\"\u003eresponsive throttle and high-revving performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1504\" data-end=\"1618\" class=\"\"\u003e\n\u003cp data-start=\"1506\" data-end=\"1618\" class=\"\"\u003e\u003cstrong data-start=\"1506\" data-end=\"1528\"\u003eOne-click solution\u003c\/strong\u003e – No need to track down rare components; this kit is \u003cstrong data-start=\"1582\" data-end=\"1615\"\u003eengineered for direct compatibility\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1619\" data-end=\"1700\" class=\"\"\u003e\n\u003cp data-start=\"1621\" data-end=\"1700\" class=\"\"\u003e\u003cstrong data-start=\"1621\" data-end=\"1640\"\u003eRated for 400HP\u003c\/strong\u003e – A proven upgrade for \u003cstrong data-start=\"1664\" data-end=\"1697\"\u003estreet and track applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003ePiston Set Includes:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e- Pistons\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Rings \u003cspan style=\"font-weight: 400;\"\u003e(Install Guide \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/CP_Piston_Ring_Installation_Guide.pdf?v=1714414853\" rel=\"noopener\" target=\"_blank\"\u003eHere\u003c\/a\u003e)\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Pins\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Locks\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e- Spec Sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"2024\" data-start=\"1729\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eAs the \u003c\/span\u003eBMW S14 platform ages\u003cspan\u003e, sourcing OEM internals becomes increasingly difficult. Our \u003c\/span\u003e400 Series Power Pack\u003cstrong data-start=\"1884\" data-end=\"1909\"\u003e \u003c\/strong\u003e\u003cspan\u003eoffers a \u003c\/span\u003e\u003cstrong data-start=\"1919\" data-end=\"1961\"\u003ereliable, high-performance alternative\u003c\/strong\u003e\u003cspan\u003e, ensuring that your \u003c\/span\u003e\u003cstrong data-start=\"1982\" data-end=\"1992\"\u003eS14B23\u003c\/strong\u003e\u003cspan\u003e build is ready for \u003c\/span\u003e\u003cstrong data-start=\"2012\" data-end=\"2058\"\u003espirited driving and competitive track applications\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBMW S14B23 Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1986-1991      E30     M3\u003cbr\u003e1986-1987      E30     M3 Evo I\u003cbr\u003e1988      E30     M3 Evo II\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":51284566802739,"sku":null,"price":1499.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/SP-Arias-Forged-Internals-Kit-BMW-S14.webp?v=1743198907"},{"product_id":"complete-s14-b25-engine","title":"Complete S14 B25 Drivetrain Turnkey Swap – Ready for Installation","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-teams=\"true\"\u003e\u003cmeta charset=\"utf-8\"\u003eThis is a rare opportunity to purchase a complete, fully built \u003cstrong data-start=\"258\" data-end=\"292\"\u003eBMW S14B25 EVO 2.5L drivetrain\u003c\/strong\u003e, ready for immediate installation into your roller. This is a full turnkey setup — engine, transmission, electronics, and supporting components — with \u003cstrong data-start=\"444\" data-end=\"469\"\u003eless than 3,000 miles\u003c\/strong\u003e since build completion.\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"495\" data-end=\"517\" class=\"\"\u003e\u003cstrong data-start=\"495\" data-end=\"517\"\u003eEngine Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"520\" data-end=\"564\"\u003e\n\u003cstrong data-start=\"520\" data-end=\"539\"\u003eS14B25 2.5L EVO\u003c\/strong\u003e with new Sport Evo block\u003c\/li\u003e\n\u003cli data-start=\"567\" data-end=\"619\"\u003eFully \u003cstrong data-start=\"573\" data-end=\"597\"\u003eported cylinder head\u003c\/strong\u003e for optimized airflow\u003c\/li\u003e\n\u003cli data-start=\"622\" data-end=\"701\"\u003e\n\u003cstrong data-start=\"622\" data-end=\"635\"\u003eSupertech\u003c\/strong\u003e performance valves, valve spring kit, and shim-under-bucket setup\u003c\/li\u003e\n\u003cli data-start=\"704\" data-end=\"759\"\u003e\n\u003cstrong data-start=\"704\" data-end=\"733\"\u003eSchrick 292\/284 camshafts\u003c\/strong\u003e with adjustable cam gears\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"807\"\u003eModified camshaft box for high-rpm durability\u003c\/li\u003e\n\u003cli data-start=\"810\" data-end=\"845\"\u003e\n\u003cstrong data-start=\"810\" data-end=\"824\"\u003eJE Pistons\u003c\/strong\u003e – 11.5:1 compression\u003c\/li\u003e\n\u003cli data-start=\"848\" data-end=\"883\"\u003e\u003cstrong data-start=\"848\" data-end=\"883\"\u003eArrow precision connecting rods\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"886\" data-end=\"931\"\u003eNew Sport Evo-spec oil squirters and oil pump\u003c\/li\u003e\n\u003cli data-start=\"934\" data-end=\"981\"\u003eNew timing chains, chain guides, and water pump\u003c\/li\u003e\n\u003cli data-start=\"984\" data-end=\"1014\"\u003eNew \u003cstrong data-start=\"988\" data-end=\"1014\"\u003eGRP Motorsport Oil Pan\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1017\" data-end=\"1080\"\u003eCarbon fiber airbox with 48mm individual throttle bodies (ITBs)\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1118\"\u003e50\/50 race headers for maximum flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1120\" data-end=\"1151\" class=\"\"\u003e\u003cstrong data-start=\"1120\" data-end=\"1151\"\u003eDrivetrain and Electronics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1154\" data-end=\"1204\"\u003e\n\u003cstrong data-start=\"1154\" data-end=\"1180\"\u003e5-Speed Dogleg Gearbox\u003c\/strong\u003e with Sport Evo Flywheel\u003c\/li\u003e\n\u003cli data-start=\"1207\" data-end=\"1245\"\u003eShifter assembly and linkages included\u003c\/li\u003e\n\u003cli data-start=\"1248\" data-end=\"1271\"\u003e\n\u003cstrong data-start=\"1248\" data-end=\"1262\"\u003eDriveshaft\u003c\/strong\u003e included\u003c\/li\u003e\n\u003cli data-start=\"1274\" data-end=\"1368\"\u003e\n\u003cstrong data-start=\"1274\" data-end=\"1300\"\u003eMilSpec Engine Harness\u003c\/strong\u003e paired with a \u003cstrong data-start=\"1315\" data-end=\"1334\"\u003eLife Racing ECU\u003c\/strong\u003e — professionally built and mapped\u003c\/li\u003e\n\u003cli data-start=\"1371\" data-end=\"1422\"\u003eComplete sensor package for plug-and-play operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1424\" data-end=\"1452\" class=\"\"\u003e\u003cstrong data-start=\"1424\" data-end=\"1452\"\u003eCooling and Accessories:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1455\" data-end=\"1497\"\u003eHigh-efficiency radiator with electric fan\u003c\/li\u003e\n\u003cli data-start=\"1500\" data-end=\"1522\"\u003eCoolant expansion tank\u003c\/li\u003e\n\u003cli data-start=\"1525\" data-end=\"1548\"\u003eRemote oil filter setup\u003c\/li\u003e\n\u003cli data-start=\"1551\" data-end=\"1582\"\u003eAlternator and starter included\u003c\/li\u003e\n\u003cli data-start=\"1585\" data-end=\"1630\"\u003eInjectors and fuel rail ready for integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-teams=\"true\"\u003e\u003cstrong\u003eLeak Down:\u003c\/strong\u003e\u003cbr\u003e1-2%\u003cbr\u003e2-2%\u003cbr\u003e3-2%\u003cbr\u003e4-2%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-teams=\"true\"\u003e\u003cstrong\u003eCompression:\u003c\/strong\u003e\u003cbr\u003e1-205\u003cbr\u003e2-210\u003cbr\u003e3-210\u003cbr\u003e4-210\u003c\/span\u003e\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":51411325550899,"sku":"S14Engine","price":29999.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMWE30M3EngineforSale.webp?v=1745872242"},{"product_id":"bmw-s14-fuel-rail","title":"BMW S14 Fuel Rail","description":"\u003cp data-start=\"261\" data-end=\"533\"\u003eUpgrade your BMW E30 M3 4-cylinder S14 engine with this high-performance fuel rail from Nuke Performance. Precision CNC-machined from 6082-T6 aluminum, this first-generation model-specific rail is designed for serious builders who demand reliability under high-load conditions.\u003c\/p\u003e\n\u003cp data-start=\"535\" data-end=\"854\"\u003eEngineered to handle all fuel types—including E85 and other alcohol-based fuels—this fuel rail features a generous 17.5mm internal bore to support increased fuel flow for modified setups. The included stainless steel injector safety clips ensure injectors remain securely in place during aggressive driving or racing.\u003c\/p\u003e\n\u003cp data-start=\"856\" data-end=\"1031\"\u003e\u003cstrong data-start=\"856\" data-end=\"865\"\u003eNote:\u003c\/strong\u003e This fuel rail is supplied without mounting brackets. M6 mounting threads are located on the underside, and custom brackets must be fabricated during installation.\u003c\/p\u003e\n\u003cp data-start=\"1033\" data-end=\"1048\"\u003e\u003cstrong data-start=\"1033\" data-end=\"1046\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1051\" data-end=\"1092\"\u003eDesigned for BMW 4-cylinder S14 engines\u003c\/li\u003e\n\u003cli data-start=\"1095\" data-end=\"1140\"\u003e17.5mm internal bore for high fuel delivery\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1187\"\u003eE85-compatible and safe for all fuel types\u003c\/li\u003e\n\u003cli data-start=\"1190\" data-end=\"1251\"\u003eCNC-machined 6082 aluminum body for strength and durability\u003c\/li\u003e\n\u003cli data-start=\"1254\" data-end=\"1325\"\u003eAnodized finish for corrosion resistance and long-lasting performance\u003c\/li\u003e\n\u003cli data-start=\"1328\" data-end=\"1381\"\u003eIncludes 2x 3\/4 UNF AN-8 fittings and 1x 1\/4 G plug\u003c\/li\u003e\n\u003cli data-start=\"1384\" data-end=\"1432\"\u003eStainless steel injector safety clips included\u003c\/li\u003e\n\u003cli data-start=\"1435\" data-end=\"1460\"\u003eLaser-engraved branding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1462\" data-end=\"1479\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1477\"\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1482\" data-end=\"1496\"\u003eHeight: 36mm\u003c\/li\u003e\n\u003cli data-start=\"1499\" data-end=\"1512\"\u003eDepth: 33mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nuke Performance","offers":[{"title":"Default Title","offer_id":51668856308019,"sku":"NUK-FR-S14","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/BMW-S14-Fuel-Rail.webp?v=1750261476"},{"product_id":"bmw-e30-m3-t-shirt","title":"BMW E30 M3 S14 T-shirt by 5150 AutoSport","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\"Few cars have etched \u003cimg alt=\"\"\u003ethemselves into automotive history quite like the E30 M3. Born from homologation regulations and bred for dominance in the Deutsche Tourenwagen Meisterschaft, the E30 M3 wasn't merely a high-performance variant--it was a motorsport machine disguised as a road car.\"\u003c\/p\u003e\n\u003cp\u003eNext Level white T-shirts featuring screen-printed designs on the front and back, showcasing the BMW E30 M3.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"X-Small","offer_id":52587907907891,"sku":"5150-TS-E30-XS","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Small","offer_id":51842409005363,"sku":"5150-TS-E30-S","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":51842409038131,"sku":"5150-TS-E30-M","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":51842409070899,"sku":"5150-TS-E30-L","price":29.99,"currency_code":"USD","in_stock":true},{"title":"X-Large","offer_id":51842409103667,"sku":"5150-TS-E30-XL","price":29.99,"currency_code":"USD","in_stock":true},{"title":"XX-Large","offer_id":51842409136435,"sku":"5150-TS-E30-2XL","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/E30M3T-Shirt.webp?v=1753815755"},{"product_id":"bmw-s14-short-block-assembly","title":"BMW S14 Short Block Assembly Service","description":"\u003ch3\u003e\u003cstrong\u003e5150 AutoSport Short Block Build Service for BMW S14 Engines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003ePlease note that price is based on customer providing core. If you need help sourcing a core, please \u003cspan\u003e\u003ca href=\"mailto:sales@5150AutoSport.com\" style=\"color: rgb(255, 42, 0);\"\u003econtact our sales team\u003c\/a\u003e\u003c\/span\u003e.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"565\" data-end=\"768\"\u003eWhen your BMW engine needs to be \u003cstrong\u003ebuilt\u003c\/strong\u003e \u003cstrong data-start=\"604\" data-end=\"628\"\u003eright the first time\u003c\/strong\u003e, 5150 AutoSport’s Short Block Assembly Service delivers the precision, consistency, and experience demanded by high-performance BMW builds.\u003c\/p\u003e\n\u003cp data-start=\"770\" data-end=\"1102\"\u003eThis service is performed in-house by BMW-focused engine builders using professional machine shop equipment and strict measurement standards. Whether you’re preparing for forced induction, track use, or a high-power street build, our short block assembly process is designed to provide a strong, reliable foundation for your engine.\u003c\/p\u003e\n\u003cp data-start=\"1104\" data-end=\"1331\"\u003eEach short block begins with a \u003cstrong data-start=\"1135\" data-end=\"1161\"\u003ecustomer-supplied core\u003c\/strong\u003e, which is thoroughly cleaned and machined before precision assembly. Every critical clearance is measured, verified, and set to specification—no shortcuts, no guesswork.\u003c\/p\u003e\n\u003ch4 data-start=\"1333\" data-end=\"1376\"\u003e\u003cstrong\u003eShort Block Assembly Service Includes:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1379\" data-end=\"1432\"\u003eHot tank cleaning\u003c\/li\u003e\n\u003cli data-start=\"1435\" data-end=\"1463\"\u003eCylinder boring\u003c\/li\u003e\n\u003cli data-start=\"1435\" data-end=\"1463\"\u003eCylinder honing\u003c\/li\u003e\n\u003cli data-start=\"1466\" data-end=\"1484\"\u003eDeck resurfacing\u003c\/li\u003e\n\u003cli data-start=\"1487\" data-end=\"1517\"\u003eLine honing of main journals\u003c\/li\u003e\n\u003cli data-start=\"1520\" data-end=\"1566\"\u003ePrecision balancing of the rotating assembly\u003c\/li\u003e\n\u003cli data-start=\"1569\" data-end=\"1592\"\u003eFile-fit piston rings\u003c\/li\u003e\n\u003cli data-start=\"1595\" data-end=\"1631\"\u003ePiston and connecting rod assembly\u003c\/li\u003e\n\u003cli data-start=\"1634\" data-end=\"1664\"\u003eMain bearing clearance\u003c\/li\u003e\n\u003cli data-start=\"1667\" data-end=\"1696\"\u003eRod bearing clearance\u003c\/li\u003e\n\u003cli data-start=\"1699\" data-end=\"1727\"\u003eFinal short block assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1729\" data-end=\"1760\"\u003e\u003cstrong\u003eImportant Service Details:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1763\" data-end=\"1809\"\u003e\n\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1763\" data-end=\"1777\"\u003eLabor only\u003c\/strong\u003e\u003c\/span\u003e \u003cem\u003e\u003cstrong\u003e— components are not included\u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1855\"\u003eCustomer must supply a usable engine core\u003c\/li\u003e\n\u003cli data-start=\"1858\" data-end=\"1922\"\u003eFinal pricing depends on core condition, component selection, and build requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1924\" data-end=\"2189\"\u003e5150 AutoSport is trusted by BMW owners worldwide for professional engine machining and assembly services. From stock rebuilds to high-horsepower performance engines, our short block assemblies are built to handle the demands of modern BMW performance applications.\u003c\/p\u003e\n\u003cp data-start=\"2191\" data-end=\"2396\"\u003eIf you’re searching for a \u003cstrong data-start=\"2217\" data-end=\"2239\"\u003eBMW engine builder\u003c\/strong\u003e who understands precision machining, proper clearances, and real-world performance, this short block assembly service is the foundation your build deserves.\u003c\/p\u003e","brand":"5150 AutoSport","offers":[{"title":"Default Title","offer_id":53037715161395,"sku":"5150-SBB-S14","price":3600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/3827\/3587\/files\/Shortblock-Assembly-Service.webp?v=1770835130"}],"url":"https:\/\/5150autosport.com\/collections\/s14.oembed","provider":"5150 AutoSport","version":"1.0","type":"link"}