![]() ![]() Excellent horsepower gains and broad torque curve deliver real seat of the pants performance.Long exhaust duration and other grind characteristics produce a powerful, hard-hitting exhaust note.3 grinds to fit all of your cruising and street performance needs.Retro-fit hydraulic roller design will fit all factory flat tappet equipped Small Block Chevy and Ford Windsor.So look no further than the Thumpr line of camshafts - engineered to deliver that much sought-after ''thumping'' idle quality to everyone. Their cutting-edge hydraulic roller design means that they will deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. Thumpr Camshafts are available in three different grind profiles, each one of which will produce a rough, racy exhaust note and impressive amounts of horsepower and torque at a different rpm range.
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