High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
2,000-5,800 RPM Operating Range
227/241 Duration at .050". 107 Degree Lobe Separation Angle
0.491/0.476 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 Ford 221-302 w/ OE Flat Tappet Cams
Made in USA
Description
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.