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The COMP Cams Big Mutha' Thumpr hydraulic roller cam (FC 299Th R7) is a street/strip-oriented grind that delivers aggressive performance and requires supporting upgrades: roughly 9.5:1 compression, a 2800+ stall converter, aftermarket intake, gears and headers. It produces a very rough idle and is aimed at builds focused on strong top-end and midrange power.
COMP Cams Camshaft FC 299Th R7 Thumper R
