Put Real Horsepower Into Your Hot Rod with COMP Cams' Thumpr Camshafts - Engine Builder Magazine
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Put Real Horsepower Into Your Hot Rod with COMP Cams’ Thumpr Camshafts


Thumpr CamsYou’ve built your dream car. Now make your dream of an aggressive-sounding, high-performance ride come true with a Thumpr Camshaft. With the combination of early intake valve opening, long exhaust duration and a generous amount of overlap, Thumpr Cams from COMP Cams maximize your engine’s nasty-idling characteristics without negatively impacting streetability. Thumpr Cams offer performance and aggressive idle that will be sure to turn heads.

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  • Available in hydraulic flat tappet, hydraulic roller and retro-fit hydraulic roller designs to fit most popular applications, including both carbureted and late model electronic fuel injection engines
  • Variety of kits available to fit any budget and application, including the exclusive “GK” gear drive kit
  • Three unique camshaft designs for each engine to fit all cruising and street performance needs
  • Designed to provide maximum performance when combined with the latest in valve train components
  • Long exhaust duration and other grind characteristics produce a powerful, hard-hitting exhaust note

Engine Builder Magazine