The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnumâ„¢ Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability. Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit, the latest versions of COMP Cams Ultra Pro Magnum Rockers are built to utilize 1/2" Studs to stabilize BBC valve trains. Ultra Pro Magnumâ„¢ Roller Rocker Arms feature a modern arched, web-like design to deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. The Rockers also boast precision-sorted needle bearings and hardened Roller tips. And since they now feature the added benefit of accepting 1/2" Studs, they are a great choice for anyone looking for more stiffness with Stud mount Rockers. These new Ultra Pro Magnumâ„¢ Rocker Arms will provide the ultimate in valve train stability for maximum valve motion both at the track and on the street.1/2" Studs provide a stiffer valve train to achieve maximum valve motion in BBC enginesDeliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balance
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1971-1972 | Chevrolet | Bel Air | Base |
| 1975-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1975-1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975-1986 | Chevrolet | C30 | Scottsdale |
| 1975-1986 | Chevrolet | C30 | Silverado |
| 1966-1969 | Chevrolet | Caprice | Base |
| 1970-1974 | Chevrolet | Corvette | Base |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987-1988 | Chevrolet | R30 | Custom Deluxe |
| 1987-1988 | Chevrolet | R30 | Scottsdale |
| 1987-1988 | Chevrolet | R30 | Silverado |
| 1970-1972 | GMC | C15/C1500 Pickup | Base |
| 1970-1972 | GMC | C15/C1500 Suburban | Base |
| 1973-1974,1976 | GMC | Jimmy | Base |
| 1976 | GMC | Jimmy | High Sierra |
| 1976 | GMC | Jimmy | Sierra Classic |
| 1976 | GMC | Jimmy | Sierra Grande |
| 1968-1969 | GMC | K15/K1500 Pickup | Base |
| 1976-1977 | GMC | K25 Suburban | Base |
| 1976-1977 | GMC | K25 Suburban | High Sierra |
| 1976-1977 | GMC | K25 Suburban | Sierra Classic |
| 1976-1977 | GMC | K25 Suburban | Sierra Grande |
| 1972 | GMC | Sprint | Base |
| 1972 | GMC | Sprint | Custom |
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1971-1972 | Chevrolet | Bel Air | Base |
| 1975-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1975-1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975-1986 | Chevrolet | C30 | Scottsdale |
| 1975-1986 | Chevrolet | C30 | Silverado |
| 1966-1969 | Chevrolet | Caprice | Base |
| 1970-1974 | Chevrolet | Corvette | Base |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987-1988 | Chevrolet | R30 | Custom Deluxe |
| 1987-1988 | Chevrolet | R30 | Scottsdale |
| 1987-1988 | Chevrolet | R30 | Silverado |
| 1970-1972 | GMC | C15/C1500 Pickup | Base |
| 1970-1972 | GMC | C15/C1500 Suburban | Base |
| 1973-1974,1976 | GMC | Jimmy | Base |
| 1976 | GMC | Jimmy | High Sierra |
| 1976 | GMC | Jimmy | Sierra Classic |
| 1976 | GMC | Jimmy | Sierra Grande |
| 1968-1969 | GMC | K15/K1500 Pickup | Base |
| 1976-1977 | GMC | K25 Suburban | Base |
| 1976-1977 | GMC | K25 Suburban | High Sierra |
| 1976-1977 | GMC | K25 Suburban | Sierra Classic |
| 1976-1977 | GMC | K25 Suburban | Sierra Grande |
| 1972 | GMC | Sprint | Base |
| 1972 | GMC | Sprint | Custom |
