Description
- Incorporate an interference double-spring design with damper to control harmonics
- Engineered for maximum performance in severe applications such as high compression and big-inch street motors
- 0.600″ (EU: 1,524 cm) spring sets are 1.460″ (EU: 3,708 cm) OD and have a pressure of 125 lb. (EU: 56,70 kg) when closed and 275 lb. (EU: 124,74 kg) at 0.500″ (EU: 1,27 cm) lift; installed height should be 1.800″ (EU: 4,572 cm); coil bind occurs at 1.150″ (EU: 2,921 cm)
- Sold in a set of four springs (enough for one engine)
- Made in the U.S.A.





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