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Camshaft Kits, Xtreme Marine Cam and Lifter Kits, Hydraulic Flat Tappet, Advertised Duration 283/283, Chevrolet, Excalibur, GMC, ISO, Big Block, Kit

COMP Cams Xtreme marine cam and lifter kits take advantage of the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top-end horsepower than other systems with the same duration at .050 in., while delivering increased engine vacuum. These kits are available for everything from pleasure boats to race applications, so you can always have Xtreme performance on the water.