Engineered for enthusiasts, this COMP Cams Thumpr Hydraulic Camshaft Kit is crafted to exacting standards, ensuring peak performance for your Buick 400, 430, or 455 big block. Each camshaft undergoes rigorous testing, guaranteeing uncompromising quality and reliability for your prized vehicle.
The Thumpr series is renowned for its ability to deliver substantial horsepower gains and a broad, engaging torque curve. This kit is the ideal upgrade for muscle cars and street rods seeking a more aggressive and exhilarating driving experience.
Featuring an aggressive early intake valve opening paired with a long exhaust duration, this camshaft creates optimal valve overlap. The result is a distinctive, powerful, and hard-hitting exhaust note that announces your vehicle’s presence with authority.
For optimal performance and to fully exploit the Thumpr’s capabilities, it is recommended to pair this camshaft with aftermarket torque converters and a higher rear gear ratio. This kit is specifically designed for 1967-1976 Buick 400-455 engines.
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