Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. Specially engineered profiles are offered for each unique engine, providing the perfect combination of an early intake valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize your engine's nasty-idling characteristics without negatively impacting streetability. These kits include high-quality matched lifters for unbeatable performance, durability, and ease of installation.

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COMP Cams Camshaft, High Energy, Hydraulic Flat, Advertised Duration 252/252, Lift .438/.438, For Buick 198-225 Odd Fire V6, Each

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COMP Cams Camshaft, Oval Track, Solid Roller, Advertised Duration 288/296, Lift .639/.632, For Chevrolet Small Block, Each

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Crow Cams Camshaft, Chev Small Block Solid, Adv. Duration 292/297, Valve Lift 0.531/0.543

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COMP Cams Camshaft, Oval Track, Solid Flat, Advertised Duration 286/292, Lift .549/.537, For Chevrolet Small Block, Each

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Crow Cams Camshaft, Ford Crossflow Solid, Adv. Duration 281/294, Valve Lift 0.564/0.585

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COMP Cams Cam/Lifters/Timing, Magnum, Hydraulic Roller, Advertised Duration 280/280, Lift .525/.525, For Chevrolet Small Block, Kit

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