High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
2,000-6,400 RPM Operating Range
219/233 Duration at .050". 109 Degree Lobe Separation Angle
0.553/0.536 Valve Lift
Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
Fits GM LS GEN III/IV LS. 3-Bolt Configuration.
Made in USA