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COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits

4.26 out of 5 stars 42 Customer Reviews

COMP Cams Xtreme Energy retrofit cam and lifter kits are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy kit available for you. By using an aggressive lobe profile, these kits provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.

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COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits K11-422-8

COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits K11-422-8

Cam/Lifters, Valvetrain, Hydraulic Roller Tappet, Adv. Duration 270/276, Lift .510/.510, Chevy, Big Block, Kit

Part Number: CCA-K11-422-8

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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