COMP Cams Thumpr Hydraulic Flat Tappet Camshaft - 107 LSA - Small Block Ford Bead Roller Die 42RE / 44RE / 46RE

42RE / 44RE / 46RE / 47RE / 48RE

2007-2008 Chevrolet Silverado 3500 HD (Front)

Fuel Bowls / Metering Blocks

Crank Trigger to Generator Cross Over Switch

Each kit was custom designed based on the specific coil model to ensure that the coils will mount as compactly as possible “ size and shape between each kit will vary depending on the coil being used

COMP Cams Thumpr Hydraulic Flat Tappet Camshaft - 107 LSA - Small Block Ford Bead Roller Die 42RE / 44RE / 46REDesigned 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