COMP Cams Thumpr Hydraulic Flat Tappet Camshaft - 107 LSA - Small Block Ford Bead Roller Die Duration 269 / 264

Duration 269 / 264

AFCO / Monroe Shocks

2007-2008 Chevrolet Silverado 3500 HD (Front)

All necessary gaskets and upgraded mounting hardware sold separately

COMP Cams Thumpr Hydraulic Flat Tappet Camshaft - 107 LSA - Small Block Ford Bead Roller Die Duration 269 / 264Designed 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