COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Ford Cleveland / Modified MAC-X-HOSE-BLK endurashine or polished finish

endurashine or polished finish

1921 Q-Jet Rebuild kit

designed for use with Motorola Mag One BPR40™ radios

stampings or castings for ultimate durability and precision engineering to fit right

200lb/in rear spring rate

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Ford Cleveland / Modified MAC-X-HOSE-BLK endurashine or polished finishDesigned 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