
OVERVIEW
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.
Recently Viewed
Check out our Universal Parts Picker and explore even more of your favorite products—all in one place.
Same Day Fulfilment On in Stock Items!
2PM EST cutoff*
RETURNS
30 days return policy
Check our store for latest items
New products updated daily!
Mon - Fri Customer service
10am - 5pm