The Comp Cams Thumpr Hydraulic Flat Tappet Camshaft is designed for Mopar B and RB-Series engines. This single bolt camshaft features a lift of 0.486 inches on the intake and 0.473 inches on the exhaust, with a duration of 279/296. It operates effectively in the 2000-5800 RPM range, providing a distinctive exhaust note.








