COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Small Block Mopar R10015L Subaru Impreza 2002-07

Subaru Impreza 2002-07

Classic Instruments ZST

Four stainless steel pistons provide fully balanced pad loading

Painted In A Durable Steel Gray Finish

Chevrolet: 3100 57 - 58 4

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Small Block Mopar R10015L Subaru Impreza 2002-07Designed 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