COMP Cams Magnum retrofit camshafts are designed for everyone from the serious street performance enthusiast to the all-out competition drag racer. Whether you're driving a street rod, show car with power accessories, a super gas, or super competition car on alcohol, COMP Cams will fit your engine's needs.

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COMP Cams Camshaft, Magnum, Hydraulic Roller, Advertised Duration 270/270, Lift .566/.566, For Chevrolet Big Block 396-454, Each

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COMP Cams Camshaft, Mutha' Thumpr, Hydraulic Roller, Advertised Duration 291/311, Lift .558/.542, For Chevrolet Big Block 396-454, Each

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COMP Cams Camshaft, Magnum, Hydraulic Roller, Advertised Duration 314/314, Lift .612/.612, For Chevrolet Big Block 396-454, Each

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