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, Xtreme Energy, Hydraulic Flat Cam, Advertised Duration 275/287, Lift .525/.525, For Chrysler 273-360, Each

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COMP Cams Cam/Lifters/Timing, Xtreme Marine, Hydraulic Flat, Advertised Duration 288/304, Lift .570/.575, For Chevrolet Big Block 396-454, Kit

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COMP Cams Cam / Lifters / Valvetrain Xtreme Energy Solid Roller Cam Advertised Duration 274 / 28

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Crow Cams Camshaft, Holden V6 Ecotec Hydraulic Roller, Adv. Duration 280/280, Valve Lift 0.499/0.501

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COMP Cams Stage 1 LST (58X) Master Camshaft Kit for LS 4.8/5.3L Turbo Engines

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