- 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 Chevy Nova 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.
Vehicle Fitment:
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.
| Make |
Model |
Years |
| Chevrolet |
Chevy II |
1965 - 1968 |
| Chevrolet |
Nova |
1969 - 1976 |
