Comp Cams Camshaft, P8 299Th R7 Thumpr
$579.95
Big Mutha' Thumpr 243/257 Hydraulic Roller for Pontiac 265-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle. Distributor Gear upgrade required.
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