Thumpr™ Hydraulic Roller Tappet Camshaft & Lifter Kit (CL08-600-8) by COMP Cams®. Let's face it, nothing grabs our attention at a car show or cruise night more than the hard hitting sound a thumping, high performance idle. Thumpr™ Camshafts deliver that aggressive, head-turning sound like no other cam on the market.
Three unique cam designs available for each application that deliver excellent horsepower gains & broad torque curve
Perfect choice for muscle cars & street rods
Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
Best with aftermarket converters & more rear gear
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, COMP Cams® still retains the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.