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The COMP Cams Mutha’ Thumpr 235/249 hydraulic flat cam is tailored for Ford 351W engines seeking street/strip power with a rugged idle. It requires about 9:1 compression and a 2500+ stall converter, and benefits from intake, gears and headers to reach its intended performance. Expect a rougher idle in exchange for stronger torque and a pronounced midband suited to spirited driving and occasional track use.
COMP Cams Camshaft FW 287T H-107 MT Thu
