- Shovelhead Hi-Lift Valve Springs, AV&V brand (4-piece set)
- Manufactured from ultra clean high silicon & vanadium alloy wire.
- .625″ maximum lift
- 175lbs @ 1.455″ 350 lbs @ .980″NOTE:These valve springs are not bolt-in items. Always make sure to check the minimum spring spacing and to keep a minimum of .060” before coil bind, at full lift.