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COMP CAMS BIG MUTHA' THUMPR Hydraulic Roller Camshaft, 291THR9 (1997-2014 GM LS Gen III/IV 8 Cylinder)

$515.95

REVIEWS: 1
AVERAGE RATING OF 8 8 of 5 Stars!

HYDRAULIC ROLLER - BIG MUTHA’ THUMPR™ - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, & headers, very rough idle.  Stock springs cannot be used.


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  • Model: 54-602-11
  • FROM: COMP CAMS

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