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COMP Cams GM 603/604 0.570in Lift 1.077/1.282 OD Beehive Hustler Valve Spring Kit

COMP Cams

CCAH604-16

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$356.95

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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.
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