BMW S50B30 EURO Valve Springs by SuperTech

Designed specifically for the BMW S50B30 EURO engine, Supertech high-performance valve springs offer unmatched reliability and efficiency for racing and performance applications. Crafted from a premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs provide enhanced performance and longevity, especially at high RPMs. This advanced material choice not only ensures remarkable strength but also improves structural memory, allowing for consistent operation under demanding conditions.

Supertech valve springs are engineered using state-of-the-art computer-aided design, guaranteeing that wire stress levels stay well within optimal fatigue limits. SuperTech's advanced software manages harmonics, further contributing to the springs' remarkable durability. This level of engineering excellence translates to a significant advantage in performance and reliability for any competitive racing engine.

In addition, Supertech retainers are manufactured from military-certified Titanium alloy, ensuring a lightweight yet incredibly strong component. Each retainer is meticulously CNC machined for a precise fit, making them one of the most trusted choices in the industry.

Installation requires the expertise of an engine builder.

Seat Pressure Options:

90 lbs

• Seat Pressure: 90lbs@35.75mm
• Open Pressure: 205lbs@10mm
• Max Lift: 14.80mm
• Coil Bind: 20.70mm
• InnSpr.OD: 20.50mm
• InnSpr.ID: 15.50mm
• Rate: 11.50lbs/mm
• Kit spring: SPR-H1005D
• Kit spring qty: 24
• Retainer: RET-BMS14-T1
• Retainer qty: 24
  
• OutSpr.OD: 29.65mm
• OutSpr.ID: 21.85mm
  

105  lbs

• Seat Pressure: 105lbs@38mm
• Open Pressure: 211lbs@10mm
• Max Lift: 16mm
• Coil Bind: 22mm
• InnSpr.OD: 21mm
• InnSpr.ID: 15.50mm
• Rate: 11.20lbs/mm
• Kit spring: SPR-H1022D
• Kit spring qty: 24
• Retainer: RET-H70/T1
• Retainer qty: 24
  
• OutSpr.OD: 29mm
• OutSpr.ID: 21.80mm