Generate a head turning sound and a high performance idle by integrating the COMP Cams Thumpr Camshaft. The excellent lobe profile and grind characteristics of these camshafts utilize long exhaust duration, a properly timed exhaust valve opening and a large amount of intake and exhaust overlap to give you that unbeatable muscle car exhaust note. This aggressive sound will never compromise engine performance or your vehicle's efficiency on the streets. These camshafts are systematically engineered to bestow maximized engine functionality when paired with other COMP Cams innovations such as their Beehive Valve Springs and Magnum Pushrods.

Made available in hydraulic roller, hydraulic flat tappet and retro-fit hydraulic roller variants, the COMP Cams Thumpr Camshafts are guaranteed to be a precise solution to carbureted and late model fuel injection engines as well as any of today's most demanding applications. Furthermore, the Thumpr Camshafts are sold individually or they may be purchased with a lifter kit, gear kit or as a complete set.

Since its establishment in 1976, Competitions Cams Inc., more famously known as COMP Cams has been an industry leader in the production of top quality valve train components. Prioritizing both the custom builder and the race enthusiast, COMP Cams' engineers incorporate only proven technology, efficient procedures and the most cutting edge equipment to produce their camshafts, rocker arms, valve lifters and other essential engine components. This is the same design process being utilized to develop reliable components for championship winning teams in international competitions like NASCAR and NHRA.

For more than three decades, COMP Cams has established a huge collection of standard setting camshafts and valve train solutions that emphasize outstanding performance on the track and the street. Adding to that, the company also offers free expert technical assistance to its customers to ensure they make the proper purchase for their specific application. With a passion to continuously improve, it's no wonder COMP Cams has been a household name for teams competing in the most prestigious circle track, drag racing, road race and off-road racing. Currently based in Memphis, Tennessee, COMP Cams continues to be a reliable brand by providing innovative and modern performance parts that never settle for second place.