COMP Cams GM 603/604 0.570in Lift 1.077/1.282 OD Beehive Hustler Valve Spring Kit
Couldn't load pickup availability
All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!
Got questions?
Feel free to get in touch
Ask an expert
COMP Cams Hustler Valve Springs are an improved version of the popular GM LS6 "blue" valve spring. They are based on popular GM part #12499224 and #12565313 LS6 springs but with 4% higher seat and open loads for better dynamic control, as well as an extra .020" of lift capability. They are an excellent performance upgrade in GM 603/604 and CT525 LS crate Race Applications with tight rules packages.
CatalogUser 1