COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Small Block Mopar BH.54511/323XPI Heat Sheath 3/4in

Heat Sheath 3/4in

Schrader / Tire Pressure Relief Valves

made from ultra-light magnesium

No cutting or other modification

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Small Block Mopar BH.54511/323XPI Heat Sheath 3/4inDesigned to deliver an aggressive, hard hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain