BMW S63 High-Performance V8 Conical Valve Spring Kit – Supertech

BMW S63 High-Performance V8 Conical Valve Spring Kit – Supertech

Built for high-RPM and high-boost applications, this Supertech Beehive Valve Spring Kit delivers exceptional strength, stability, and reliability for the BMW S63 engine. Manufactured from Superclean Chrome Silicon Vanadium steel, these springs are designed to handle extreme conditions while maintaining precise valve control.

Key Specs:

• Seat Pressure: 83 @ 35.7mm

• Open Pressure: 165 @ 10mm

• Max Lift: 11.2mm

• Spring Rate: 8.2

• Coil Bind: 23.0mm

• Retainer: RET-BMN54-TE

Perfect for high-horsepower street or race builds requiring durability, reliability, and performance.