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The COMP Cams Mutha' Thumpr FE 287T hydraulic flat cam is a street/strip option for Ford 352–428 big-blocks, requiring about 9.0:1 compression, a 2500+ rpm stall converter, intake and headers plus lower gearing. It delivers pronounced lope and rough idle in exchange for strong midrange and top-end power. Best used where aggressive cam character and matching supporting parts are planned.
COMP Cams Camshaft FE 287T H-107 T Thumper
