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The COMP Cams Classic Mutha' Thumpr solid flat cam is a performance camshaft for Flathead Ford 239/255 engines with a 235/249 duration profile. Intended for street and strip use, it requires higher compression and aftermarket heads to reach its potential, and produces a rough idle while delivering stronger midrange power for modified flathead builds.
COMP Cams Camshaft Flathead 275T H-107
