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COMP Cams Xtreme XE-R 242/240 hydraulic roller cam set for Ford 4.6/5.4/5.8L modular 4-valve engines; built for race or limited street use. These grinds need extensive supporting upgrades including larger throttle body, mass-air and injectors, exhaust work and custom tuning. Automatic transmissions require a 3000+ stall and the profile yields a very rough idle consistent with race-oriented cams.
COMP Cams Camshaft Set F4.6/5.4D XE278A
