Comp Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits Racing Suspension 875" lifter designs

875" lifter designs

Each unit is carefully designed to maintain ride comfort while enhancing cornering stability

505 (Exhaust)

Steel frame will rust without protection in wet conditions

Comp Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits Racing Suspension 875" lifter designsThis gives you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. Thumpr camshafts are available in different grind profiles; each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. Specification: Lifter Type: Hydraulic Flat Tappet RPM Range: 2,000 5,800 Valve Lift (in.): 0. 491 Intake 0. 476 Exhaust Duration @ . 050