COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Ford Cleveland / Modified AFC81-1-6-4 1963-1964 Pontiac Tempest

1963-1964 Pontiac Tempest

engineers at RHS designed an aluminum LS engine block for radical street and all-out racing applications

Don't let the budget-friendly price fool you

000 in long

The steel versions are made from 24-gauge mild steel enabling them to be welded without the fear of toxic fumes associated with galvanized steel

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Ford Cleveland / Modified AFC81-1-6-4 1963-1964 Pontiac TempestDesigned 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