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The COMP Cams B455 279T Thumpr hydraulic cam delivers a pronounced street sound and improved midrange power for Buick 400, 430 and 455 engines. Tuned as a high-performance street cam, it works with a stock converter but performs best with a 2000+ RPM stall and appropriate gearing. Expect stronger midband response and a choppy, thumping idle character.
COMP Cams Camshaft B455 279T H-107 T Th
