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COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits

4.64 out of 5 stars 22 Customer Reviews

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 per
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, dur
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.

Results 1 - 17 of 17

Cam/Lifter, Valvetrain, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift .547/.530, Chevy Big Block

Part Number: CCA-K11-600-8

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift .511/.498, Chevy, Small Block, Kit

Part Number: CCA-CL12-600-8

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 299/319, Lift .570/.554, Chevy, Big Block, Kit

Part Number: CCA-CL11-602-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Cam/Lifter, Valvetrain, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .558/.542, Chevy Big Block

Part Number: CCA-K11-601-8

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift .547/.530, Chevy, Big Block, Kit

Part Number: CCA-CL11-600-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Cam/Lifter, Valvetrain, Hydraulic Roller Tappet, Advertised Duration 299/319, Lift .570/.554, Chevy Big Block

Part Number: CCA-K11-602-8

Not Yet Reviewed

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Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .558/.542, Chevy, Big Block, Kit

Part Number: CCA-CL11-601-8

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Camshaft Kits, Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits, Advertised Duration 283/303, Lift 0.531/0.515, Olds, Oldsmobile V8, Kit

Part Number: CCA-K42-600-11

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Cam and Lifters, Thumpr, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift .513/.498, Pontiac V8, Kit

Part Number: CCA-CL51-600-11

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Cam and Lifters, Big Mutha' Thumpr, Hydraulic Roller Tappet, Advertised Duration 299/319, Lift .532/.519, Pontiac V8, Kit

Part Number: CCA-CL51-602-11

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Cam/Lifter, Mutha' Thumpr, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .540/.532, Oldsmobile, Kit

Part Number: CCA-K42-601-11

Not Yet Reviewed

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Camshaft Kits, Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits, Advertised Duration 299/319, Lift 0.552/0.537, Olds, Oldsmobile V8, Kit

Part Number: CCA-K42-602-11

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Cam/Lifter, Valvetrain, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .540/.526, Ford, 221-302

Part Number: CCA-K31-601-8

Not Yet Reviewed

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Cam/Lifters/Timing Kit, Hydraulic Roller, Advertised Duration 283/303, Lift .511/.497, Chevy, 5.0, 5.7L, Kit

Part Number: CCA-GK12-600-8

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 291/311, Lift .557/.542, Chevy, 454, Kit

Part Number: CCA-K01-601-8

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 299/319, Lift .579/.563, Ford, 351C, 351M, 400

Part Number: CCA-K32-602-8

Not Yet Reviewed

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Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift .531/.515, Ford, 289, 302, Kit

Part Number: CCA-K31-600-8

Not Yet Reviewed

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