COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Small Block Mopar R10015L Painted In A Durable Steel

Painted In A Durable Steel Gray Finish

Classic Instruments ZST

Chevrolet: 3100 57 - 58 4

Four stainless steel pistons provide fully balanced pad loading

Lightweight Pro Race

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Small Block Mopar R10015L Painted In A Durable SteelDesigned 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