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.
- 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"