COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Ford Cleveland / Modified SP120BK 1964-1965 Mercury Commuter

1964-1965 Mercury Commuter

The use of scissors

With options to fit many applications from Ford

1968-1983 Oldsmobile Delta 88

CNC mandrel bent tubes

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Ford Cleveland / Modified SP120BK 1964-1965 Mercury CommuterDesigned 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