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ARP Automotive Racing Products

ARP Head Stud Kit, BMW S68

ARP Head Stud Kit, BMW S68

Normaler Preis $749.99 USD
Normaler Preis $749.99 USD Verkaufspreis $749.99 USD
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With our ARP head stud kit, you can securely tune up the boost on your BMW S68 engine without worrying about the cylinder heads lifting. Specifically designed for the turbocharged V-8 S68 engine. 

As you increase the power output of your engine beyond its factory specifications, the head and block may start to separate, causing factory bolts to stretch and fail. Our ARP Head Studs are designed to be stronger than factory bolts, ensuring your race engine stays together even under extreme conditions.

Our Custom Age 625+ kit is made from a material with a tensile strength of 260 ksi, substantially higher than the 190 ksi of the ARP 2000 head stud. It's an ideal choice for individuals who want to push the limits of their S68 builds.

Step 1: Tighten to 30 ft-lbs.
Step 2: Tighten to 60 ft-lbs.
Step 3: Tighten to 90 ft-lbs.

Custom Age 625+
Step 1: Tighten to 30 ft-lbs.
Step 2: Tighten to 60 ft-lbs.
Step 3: Tighten to 100 ft-lbs.

Bolt Torque Sequence

7 3 1 5 9
10 6 2 4 8


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.


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