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
- OD : 0.995"
- ID : 0.657"
- Closed Load : 84 @ 1.880"
- Open Load : 252 @ 1.400"
- Spring Type : Single
- Coil Bind : 1.290"