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, Big Mutha' Thumpr, Hydraulic Roller, Advertised Duration 299/319, Lift .579/.563, 351C, 351M-400M, Each

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COMP Cams Camshaft, FSL AFM 208/220 D, 206/214 N Hydraulic Roller, GM LS GEN IV, Each

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COMP Cams Camshaft, Computer Controlled, Hydraulic Flat, Advertised Duration 260/260, Lift .444/.444, For Chevrolet Small Block, Each

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COMP Cams Cam/Lifters/Timing, Magnum, Solid Roller, Advertised Duration 300/300, Lift .663/.663, For Ford 429,460, Kit

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COMP Cams Cam/Lifters/Timing, Mutha' Thumpr, Hydraulic Roller, Advertised Duration 291/311, Lift .541/.526, For Ford 351W, Kit

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COMP Cams Cam / Lifters / Valvetrain Magnum Hydraulic Roller Advertised Duration 286 / 286 Lift

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