52-22970 | QualFast .525" Max. Lift High Performance Springs

QualFast High Performance Springs are manufactured by the industry-leading high performance valve spring factory using the latest materials and manufacturing processes. All QualFast springs are wound using super-clean chrome silicon or new Alpha 1 or 3 alloy wires. Engineered for high performance to give optimum lift and prevent valve float.

Specs

• Max Lift : 0.525"
• OD : 1.525"
• ID : 1.075"
• Closed Load : 125 @ 1.870"
• Open Load : 355 @ 1.370
• Spring Type : Single with Damper
• Coil Bind : 1.240"