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 Camshaft, Xtreme Energy, Hydraulic Flat Cam, Advertised Duration 250/260, Lift .432/.444, For Chrysler 283-440, Each

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COMP Cams Camshaft, Xtreme Energy, Hydraulic Roller Cam, Advertised Duration 286/294, Lift .544/.541, For Chrysler 283-440, Each

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COMP Cams Camshaft, Hydraulic Flat Tappet, Advertised Duration 278/296, Lift .512/.498, For Chevrolet, Big Block W, Each

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