Ultra Pro Magnum Roller Rocker Arms, 7/16" Stud, 1.7 Ratio, Chevy B
Ultra Pro MagnumT Roller Rocker Arms not only live up to the lofty standards of the original Pro MagnumsT, but they also take stud mount rocker performance, stability and value to a whole new level. 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.
- Chevy V8 396-454 cid - 7/16" Stud - 1.7 Ratio
- Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.
- Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.
- Feature oversized trunions, precision-sorted needle bearings and hardened roller tips.
- Lifetime Warranty - So strong that we guarantee the rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1963 - 1975 | Chevrolet | Bel Air | Base |
| 1963 - 1972 | Chevrolet | Biscayne | Base |
| 1973 | Chevrolet | Blazer | Base |
| 1972 | Chevrolet | Brookwood | Base |
| 1978 - 1980 | Chevrolet | C10 | Big Ten |
| 1975 - 1980 | Chevrolet | C10 | Silverado, Custom, Custom Deluxe, Cheyenne, Scottsdale |
| 1968 - 1974 | Chevrolet | C10 Pickup | Base |
| 1968 - 1974 | Chevrolet | C10 Suburban | Base |
| 1975 - 1980 | Chevrolet | C10 Suburban | Custom Deluxe, Silverado, Scottsdale |
| 1986 | Chevrolet | C20 | Base |
| 1981 - 1986 | Chevrolet | C20 | Custom |
| 1975 - 1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975 - 1986 | Chevrolet | C20 | Silverado, Scottsdale, Cheyenne |
| 1968 - 1974 | Chevrolet | C20 Pickup | Base |
| 1968 - 1974 | Chevrolet | C20 Suburban | Base |
| 1981 - 1986 | Chevrolet | C20 Suburban | Custom |
| 1975 - 1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975 - 1986 | Chevrolet | C20 Suburban | Scottsdale, Silverado |
| 1975 - 1982 | Chevrolet | C30 | 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 | Silverado, Scottsdale |
| 1968 - 1974 | Chevrolet | C30 Pickup | Base |
| 1967 - 1972 | Chevrolet | Camaro | Base, RS, SS, Z28 |
| 1966 - 1974 | Chevrolet | Caprice | Base |
| 1973 - 1976 | Chevrolet | Caprice | Classic |
| 1976 | Chevrolet | Caprice | Classic Estate, Classic Landau |
| 1975 - 1976 | Chevrolet | Caprice | Classic Sport |
| 1973 - 1974 | Chevrolet | Caprice | Estate |
| 1975 | Chevrolet | Caprice | Estate Wagon |
| 1967 - 1968 | Chevrolet | Chevelle | 300 |
| 1967 - 1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1965 - 1972 | Chevrolet | Chevelle | Base, SS |
| 1967 - 1972 | Chevrolet | Chevelle | Concours |
| 1965 - 1973 | Chevrolet | Chevelle | Deluxe |
| 1969 - 1972 | Chevrolet | Chevelle | Greenbrier, Concours Estate |
| 1968 - 1972 | Chevrolet | Chevelle | Nomad, Malibu |
| 1968 | Chevrolet | Chevy II | Nova |
| 1966 - 1974 | Chevrolet | Corvette | Base |
| 1966 - 1975 | Chevrolet | El Camino | Base |
| 1975 | Chevrolet | El Camino | Classic |
| 1968 - 1974 | Chevrolet | El Camino | Custom |
| 1968 - 1975 | Chevrolet | El Camino | SS |
| 1973 - 1974 | Chevrolet | G10 Van | Base, Sportvan |
| 1976 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan |
| 1973 - 1974 | Chevrolet | G20 Van | Sportvan, Base |
| 1975 - 1976 | Chevrolet | G30 | Chevy Van, Beauville, Sportvan, Hi-Cube |
| 1973 - 1974 | Chevrolet | G30 Van | Sportvan, Base |
| 1963 - 1976 | Chevrolet | Impala | Base |
| 1975 - 1976 | Chevrolet | Impala | Custom, Sport |
| 1976 | Chevrolet | Impala | S, Custom Landau |
| 1965 - 1967 | Chevrolet | Impala | SS |
| 1976 - 1980 | Chevrolet | K10 | Cheyenne, Silverado, Custom Deluxe, Scottsdale |
| 1968 - 1974 | Chevrolet | K10 Pickup | Base |
| 1968 - 1972 | Chevrolet | K10 Suburban | Base |
| 1976 - 1980 | Chevrolet | K20 | Custom Deluxe, Scottsdale, Silverado, Cheyenne |
| 1968 - 1974 | Chevrolet | K20 Pickup | Base |
| 1973 | Chevrolet | K20 Suburban | Base |
| 1985 | Chevrolet | K20 Suburban | Custom, Silverado, Scottsdale |
| 1977 - 1981 | Chevrolet | K30 | Cheyenne |
| 1981 - 1986 | Chevrolet | K30 | Custom |
| 1977 - 1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977 - 1986 | Chevrolet | K30 | Scottsdale, Silverado |
| 1968 - 1974 | Chevrolet | K30 Pickup | Base |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1976 - 1978 | Chevrolet | K5 Blazer | Cheyenne |
| 1977 - 1978 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1978 | Chevrolet | K5 Blazer | Silverado |
| 1970 - 1972 | Chevrolet | Kingswood | Estate, Base |
| 1973 - 1975 | Chevrolet | Laguna | Base |
| 1973 | Chevrolet | Laguna | Estate |
| 1975 | Chevrolet | Laguna | S3 |
| 1974 | Chevrolet | Laguna | Type S-3 |
| 1966 - 1975 | Chevrolet | Malibu | Base |
| 1974 - 1975 | Chevrolet | Malibu | Classic |
| 1975 | Chevrolet | Malibu | Classic Estate |
| 1973 - 1974 | Chevrolet | Malibu | Estate |
| 1970 - 1974 | Chevrolet | Monte Carlo | Base |
| 1973 - 1974 | Chevrolet | Monte Carlo | Landau |
| 1973 - 1975 | Chevrolet | Monte Carlo | S |
| 1969 - 1970 | Chevrolet | Nova | Base |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987 - 1988 | Chevrolet | R30 | Custom Deluxe, Scottsdale, Silverado |
| 1989 | Chevrolet | R3500 | Scottsdale, Silverado, Cheyenne |
| 1970 - 1972 | Chevrolet | Townsman | Base |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987 - 1988 | Chevrolet | V30 | Custom Deluxe, Silverado, Scottsdale |
| 1989 | Chevrolet | V3500 | Silverado, Scottsdale, Cheyenne |
| 1975 - 1978 | GMC | C15 | Base, Sierra Classic, High Sierra, Sierra Grande |
| 1977 - 1978 | GMC | C15 | Heavy Half |
| 1977 | GMC | C15 | Indy Hauler |
| 1978 | GMC | C15 | Street Coupe |
| 1975 - 1978 | GMC | C15 Suburban | Base, Sierra Classic, High Sierra, Sierra Grande |
| 1968 - 1974 | GMC | C15/C1500 Pickup | Base |
| 1968 - 1974 | GMC | C15/C1500 Suburban | Base |
| 1979 - 1980 | GMC | C1500 | Street Coupe, Base, Sierra Classic, Sierra Grande, High Sierra, Heavy Half |
| 1979 - 1980 | GMC | C1500 Suburban | Base, Sierra Grande, Sierra Classic, High Sierra |
| 1975 - 1978 | GMC | C25 | Base, High Sierra, Sierra Classic, Sierra Grande |
| 1975 - 1978 | GMC | C25 Suburban | Sierra Classic, High Sierra, Sierra Grande, Base |
| 1968 - 1974 | GMC | C25/C2500 Pickup | Base |
| 1968 - 1974 | GMC | C25/C2500 Suburban | Base |
| 1979 - 1986 | GMC | C2500 | Base, Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | C2500 | Sierra Grande |
| 1979 - 1986 | GMC | C2500 Suburban | High Sierra, Sierra Classic, Base |
| 1979 - 1982 | GMC | C2500 Suburban | Sierra Grande |
| 1975 - 1978 | GMC | C35 | Base, Sierra Classic, High Sierra, Sierra Grande |
| 1968 - 1974 | GMC | C35/C3500 Pickup | Base |
| 1979 - 1986 | GMC | C3500 | Base, Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | C3500 | Sierra Grande |
| 1975 - 1976 | GMC | G25 | Vandura, Rally STX, Rally |
| 1976 | GMC | G35 | Vandura, Rally, Rally STX, Magnavan, Rally Camper Special, Vandura Special |
| 1973 - 1976 | GMC | Jimmy | Base |
| 1976 | GMC | Jimmy | High Sierra, Sierra Grande, Sierra Classic |
| 1976 | GMC | K15 | Base, High Sierra, Sierra Classic, Sierra Grande |
| 1968 - 1969 | GMC | K15/K1500 Pickup | Base |
| 1968 - 1974 | GMC | K15/K1500 Suburban | Base |
| 1979 - 1980 | GMC | K1500 | Base, Sierra Classic, Sierra Grande, High Sierra |
| 1976 - 1978 | GMC | K25 | Sierra Classic, High Sierra, Base, Sierra Grande |
| 1976 - 1977 | GMC | K25 Suburban | Sierra Grande, High Sierra, Base, Sierra Classic |
| 1968 - 1974 | GMC | K25/K2500 Pickup | Base |
| 1968 - 1974 | GMC | K25/K2500 Suburban | Base |
| 1968 - 1974 | GMC | K35/K3500 Pickup | Base |
| 1979 - 1986 | GMC | K3500 | Base, Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | K3500 | Sierra Grande |
| 1987 - 1989 | GMC | R3500 | High Sierra, Base, Sierra Classic |
| 1971 - 1975 | GMC | Sprint | Base |
| 1972 - 1974 | GMC | Sprint | Custom |
| 1975 | GMC | Sprint | SP, Classic, High Sierra |
| 1987 - 1989 | GMC | V3500 | Base, Sierra Classic, High Sierra |