All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality. Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note Best with aftermarket converters & more rear gear Application 1966-79 AMC 290-401
