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1975-1975 Chevrolet G30
1973-1974 Dodge Charger
w/ innovative AIM swivel mount
Use Steel Gear w/Hydraulic Roller Camshaft
COMP Cams Mutha' Thumpr Hydraulic Roller Camshaft - 107 LSA - Big Block Chevy Seat Cover 1975-1975 Chevrolet G30Designed 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
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