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Home > Thumpr™ Cams > Chevy > GM GEN III/IV Three-Bolt
Big Mutha Thumpr™, 291THR7
Street/Strip, Very Rough Idle
Big Mutha Thumpr™, 291THR7<br>Street/Strip, Very Rough Idle
Product Representation: Actual part may vary based on configuration ordered.
Part: 54-602-11
Price: $424.03
Weight: 10.16 lbs FREE SHIPPING OVER $50!
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BIG MUTHA’ THUMPR™ - Street/strip, needs 9.5:1 CR , 2800+ stall, intake, gears, & headers, very rough idle.

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