Description
The Ultra Pro Magnum Roller Rocker Arms for Big Block Chevy 396-454 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.7 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.
User 1
Catalog
Warranty
Catalog
This Part Fits:
User 1
Catalog
Warranty
Catalog
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1970-1975 | Chevrolet | Bel Air | Base |
| 1975-1981 | Chevrolet | C20 | Cheyenne |
| 1981-1986 | Chevrolet | C20 | Custom |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975-1986 | Chevrolet | C20 | Scottsdale |
| 1975-1986 | Chevrolet | C20 | Silverado |
| 1970-1974 | Chevrolet | C20 Suburban | Base |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1973-1974 | Chevrolet | C30 Pickup | Base |
| 1967 | Chevrolet | Camaro | Base |
| 1967 | Chevrolet | Camaro | RS |
| 1967-1969 | Chevrolet | Camaro | SS |
| 1966-1969 | Chevrolet | Caprice | Base |
| 1970-1971 | Chevrolet | K30 Pickup | Base |
| 1973-1975 | Chevrolet | Laguna | Base |
| 1973 | Chevrolet | Laguna | Estate |
| 1975 | Chevrolet | Laguna | S3 |
| 1974 | Chevrolet | Laguna | Type S-3 |
| 1989 | Chevrolet | V3500 | Cheyenne |
| 1989 | Chevrolet | V3500 | Scottsdale |
| 1989 | Chevrolet | V3500 | Silverado |
| 1968-1969 | GMC | C15/C1500 Pickup | Base |
| 1975-1978 | GMC | C25 | Base |
| 1975-1978 | GMC | C25 | High Sierra |
| 1975-1978 | GMC | C25 | Sierra Classic |
| 1975-1978 | GMC | C25 | Sierra Grande |
| 1968 | GMC | K25/K2500 Suburban | Base |
| 1971-1972,1974-1975 | GMC | Sprint | Base |
| 1975 | GMC | Sprint | Classic |
| 1972,1974 | GMC | Sprint | Custom |
| 1975 | GMC | Sprint | High Sierra |
| 1975 | GMC | Sprint | SP |
