- High Quality Construction
- Dyno Proven 20 Horsepower Gains
- Reduce Valve Stem & Guide Wear
As a result, these rocker arms have been dyno-tested to produce 15-20 horsepower increases, making valve stems and guides last longer. Magnum Rollers fit 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974 Chevelle big block engines (1.70 ratio) like a glove, helping ensure a lasting fit. Each rocker is supplied with a rocker ball and lock nut. Set of 16.
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
||1965 - 1973
||1965 - 1974
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Chevelle Competition Cams' Big Block Magnum Roller Tip Rocker Arms, 1965-1974: