Description: Hamilton Cam Duramax Valve Springs allow you to run Higher Boost pressures and RPMS without experiencing valve float. No extra cylinder head machining is required to run these springs. Depending on...More Details »
Description: Wagler Competition Dual Valve Spring Kit
- 145lb seat pressure at 1.650 installed height
- Coil bind at 1.090
- Works with factory spring shim
- We recommend using WCPC6664 Push Rods with them
