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The COMP Cams XM 290H-12 hydraulic flat tappet cam fits 1958–2002 Chevy small-blocks (262–400 ci) and is tuned for high-performance and bracket-racing applications. It suits jet-boat A-impeller configurations and engines around 9.5:1 compression, but expects supporting modifications such as headers and a compatible torque converter. This grind prioritizes peak power for competitive or heavily modified engines over idle refinement.
COMP Cams CamshaftCS XM 290H-12
