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Big Mutha' Thumpr 4/7 Swap 243/257 Hydraulic Roller Cam for Chevrolet 348-409
$703.95
Big Mutha' Thumpr 4/7 Swap 243/257 Hydraulic Roller Cam for Chevrolet 348-409. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.