The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for endurance, drag and circle track Applications.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1973 - 1975 | Buick | Apollo | Base | ||
| 1975 - 1975 | Buick | Apollo | SR | ||
| 1972 - 1973 | Buick | Centurion | Base | ||
| 1973 - 1975 | Buick | Century | Luxus | ||
| 1973 - 1977 | Buick | Century | Base | ||
| 1975 - 1979 | Buick | Century | Custom | ||
| 1976 - 1976 | Buick | Century | Indianapolis 500 Pace Car | ||
| 1978 - 1978 | Buick | Century | Sport | ||
| 1978 - 1979 | Buick | Century | Special | ||
| 1978 - 1980 | Buick | Century | Limited | ||
| 1980 - 1980 | Buick | Century | Estate | ||
| 1980 - 1980 | Buick | Century | Base | ||
| 1991 - 1993 | Buick | Commercial Chassis | Base | ||
| 1976 - 1977 | Buick | Electra | Limited | ||
| 1976 - 1977 | Buick | Electra | 225 | ||
| 1973 - 1973 | Buick | Estate Wagon | Base | ||
| 1972 - 1972 | Buick | GS | Base | ||
| 1972 - 1973 | Buick | LeSabre | Custom | ||
| 1972 - 1974 | Buick | LeSabre | Base | ||
| 1974 - 1974 | Buick | LeSabre | Luxus | ||
| 1977 - 1977 | Buick | LeSabre | Custom Sport | ||
| 1977 - 1978 | Buick | LeSabre | Custom | ||
| 1977 - 1978 | Buick | LeSabre | Base | ||
| 1973 - 1980 | Buick | Regal | Base | ||
| 1976 - 1977 | Buick | Regal | SR | ||
| 1978 - 1980 | Buick | Regal | Limited | ||
| 1991 - 1993 | Buick | Roadmaster | Estate Wagon | ||
| 1992 - 1993 | Buick | Roadmaster | Limited | ||
| 1992 - 1993 | Buick | Roadmaster | Base | ||
| 1972 - 1972 | Buick | Skylark | Custom | ||
| 1972 - 1972 | Buick | Skylark | Base | ||
| 1972 - 1972 | Buick | Skylark | 350 | ||
| 1975 - 1977 | Buick | Skylark | SR | ||
| 1975 - 1979 | Buick | Skylark | Base | ||
| 1976 - 1979 | Buick | Skylark | S | ||
| 1978 - 1978 | Buick | Skylark | Sport | ||
| 1978 - 1979 | Buick | Skylark | Custom | ||
| 1972 - 1972 | Buick | Sportwagon | Base | ||
| 1990 - 1992 | Cadillac | Brougham | Base | ||
| 1992 - 1993 | Cadillac | Commercial Chassis | Brougham | ||
| 1980 - 1980 | Cadillac | Eldorado | Cabriolet | ||
| 1980 - 1980 | Cadillac | Eldorado | Biarritz | ||
| 1980 - 1980 | Cadillac | Eldorado | Base | ||
| 1993 - 1993 | Cadillac | Fleetwood | Brougham | ||
| 1993 - 1993 | Cadillac | Fleetwood | Base | ||
| 1980 - 1980 | Cadillac | Seville | Elegante | ||
| 1980 - 1980 | Cadillac | Seville | Base | ||
| 1977 - 1982 | Checker | Marathon | Deluxe | ||
| 1977 - 1982 | Checker | Marathon | Base | ||
| 1955 - 1957 | Chevrolet | Bel Air | Nomad | ||
| 1955 - 1956 | Chevrolet | Bel Air | Beauville | ||
| 1955 - 1975 | Chevrolet | Bel Air | Base | ||
| 1958 - 1972 | Chevrolet | Biscayne | Base | ||
| 1960 - 1960 | Chevrolet | Biscayne | Fleetmaster | ||
| 1958 - 1961 | Chevrolet | Brookwood | Base | ||
| 1969 - 1972 | Chevrolet | Brookwood | Base | ||
| 1967 - 1972 | Chevrolet | Camaro | SS | ||
| 1967 - 1973 | Chevrolet | Camaro | RS | ||
| 1967 - 1980 | Chevrolet | Camaro | Base | ||
| 1970 - 1974 | Chevrolet | Camaro | Z28 | ||
| 1973 - 1978 | Chevrolet | Camaro | LT | ||
| 1975 - 1975 | Chevrolet | Camaro | RS | ||
| 1976 - 1980 | Chevrolet | Camaro | Rally Sport | ||
| 1976 - 1978 | Chevrolet | Camaro | LT Rally Sport | ||
| 1977 - 1987 | Chevrolet | Camaro | Z28 | ||
| 1979 - 1986 | Chevrolet | Camaro | Berlinetta | ||
| 1981 - 1987 | Chevrolet | Camaro | Sport | ||
| 1982 - 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace Car | ||
| 1985 - 1990 | Chevrolet | Camaro | Iroc-Z | ||
| 1987 - 1987 | Chevrolet | Camaro | LT | ||
| 1988 - 1988 | Chevrolet | Camaro | Base | ||
| 1989 - 1992 | Chevrolet | Camaro | RS | ||
| 1991 - 1992 | Chevrolet | Camaro | Z28 | ||
| 1992 - 1992 | Chevrolet | Camaro | Z28 Heritage Edition | ||
| 1992 - 1992 | Chevrolet | Camaro | RS Heritage Edition | ||
| 1966 - 1972 | Chevrolet | Caprice | Base | ||
| 1973 - 1974 | Chevrolet | Caprice | Estate | ||
| 1973 - 1996 | Chevrolet | Caprice | Classic | ||
| 1975 - 1975 | Chevrolet | Caprice | Estate Wagon | ||
| 1975 - 1976 | Chevrolet | Caprice | Classic Sport | ||
| 1976 - 1981 | Chevrolet | Caprice | Classic Landau | ||
| 1976 - 1978 | Chevrolet | Caprice | Classic Estate | ||
| 1979 - 1980 | Chevrolet | Caprice | Classic Sport | ||
| 1981 - 1982 | Chevrolet | Caprice | Classic Estate | ||
| 1986 - 1990 | Chevrolet | Caprice | Classic Brougham | ||
| 1986 - 1992 | Chevrolet | Caprice | Base | ||
| 1987 - 1990 | Chevrolet | Caprice | Classic LS Brougham | ||
| 1991 - 1993 | Chevrolet | Caprice | Classic LTZ | ||
| 1993 - 1994 | Chevrolet | Caprice | Classic LS | ||
| 1964 - 1972 | Chevrolet | Chevelle | SS | ||
| 1964 - 1968 | Chevrolet | Chevelle | Base | ||
| 1965 - 1967 | Chevrolet | Chevelle | Deluxe | ||
| 1967 - 1972 | Chevrolet | Chevelle | Concours | ||
| 1967 - 1969 | Chevrolet | Chevelle | 300 Deluxe | ||
| 1967 - 1968 | Chevrolet | Chevelle | 300 | ||
| 1968 - 1972 | Chevrolet | Chevelle | Nomad | ||
| 1968 - 1972 | Chevrolet | Chevelle | Malibu | ||
| 1969 - 1972 | Chevrolet | Chevelle | Greenbrier | ||
| 1969 - 1972 | Chevrolet | Chevelle | Concours Estate | ||
| 1970 - 1972 | Chevrolet | Chevelle | Base | ||
| 1973 - 1973 | Chevrolet | Chevelle | Deluxe | ||
| 1963 - 1968 | Chevrolet | Chevy II | Nova | ||
| 1963 - 1967 | Chevrolet | Chevy II | Base | ||
| 1964 - 1967 | Chevrolet | Chevy II | Nova SS | ||
| 1955 - 1972 | Chevrolet | Corvette | Base | ||
| 1974 - 1974 | Chevrolet | Corvette | Base | ||
| 1975 - 1976 | Chevrolet | Corvette | Stingray | ||
| 1977 - 1982 | Chevrolet | Corvette | Base | ||
| 1978 - 1978 | Chevrolet | Corvette | Silver Anniversary Edition | ||
| 1978 - 1978 | Chevrolet | Corvette | Indianapolis 500 Pace Car | ||
| 1984 - 1991 | Chevrolet | Corvette | Base | ||
| 1986 - 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car | ||
| 1988 - 1988 | Chevrolet | Corvette | 35th Anniversary Edition | ||
| 1958 - 1958 | Chevrolet | Del Ray | Base | ||
| 1959 - 1985 | Chevrolet | Impala | Base | ||
| 1964 - 1967 | Chevrolet | Impala | SS | ||
| 1975 - 1976 | Chevrolet | Impala | Sport | ||
| 1975 - 1977 | Chevrolet | Impala | Custom | ||
| 1976 - 1976 | Chevrolet | Impala | S | ||
| 1976 - 1976 | Chevrolet | Impala | Custom Landau | ||
| 1977 - 1979 | Chevrolet | Impala | Landau | ||
| 1979 - 1980 | Chevrolet | Impala | Sport | ||
| 1981 - 1982 | Chevrolet | Impala | Estate | ||
| 1969 - 1972 | Chevrolet | Kingswood | Estate | ||
| 1969 - 1972 | Chevrolet | Kingswood | Base | ||
| 1973 - 1973 | Chevrolet | Laguna | Estate | ||
| 1973 - 1975 | Chevrolet | Laguna | Base | ||
| 1975 - 1976 | Chevrolet | Laguna | S3 | ||
| 1964 - 1967 | Chevrolet | Malibu | Base | ||
| 1973 - 1974 | Chevrolet | Malibu | Estate | ||
| 1973 - 1981 | Chevrolet | Malibu | Base | ||
| 1974 - 1983 | Chevrolet | Malibu | Classic | ||
| 1975 - 1976 | Chevrolet | Malibu | Classic Estate | ||
| 1976 - 1976 | Chevrolet | Malibu | Landau | ||
| 1976 - 1981 | Chevrolet | Malibu | Classic Landau | ||
| 1977 - 1977 | Chevrolet | Malibu | Sport | ||
| 1977 - 1977 | Chevrolet | Malibu | Classic Sport | ||
| 1978 - 1980 | Chevrolet | Malibu | Classic Estate | ||
| 1979 - 1980 | Chevrolet | Malibu | Sport | ||
| 1979 - 1979 | Chevrolet | Malibu | Police | ||
| 1979 - 1979 | Chevrolet | Malibu | Landau | ||
| 1979 - 1980 | Chevrolet | Malibu | Estate | ||
| 1979 - 1980 | Chevrolet | Malibu | Classic Sport | ||
| 1970 - 1974 | Chevrolet | Monte Carlo | Base | ||
| 1973 - 1973 | Chevrolet | Monte Carlo | S | ||
| 1973 - 1974 | Chevrolet | Monte Carlo | Landau | ||
| 1975 - 1977 | Chevrolet | Monte Carlo | S | ||
| 1976 - 1976 | Chevrolet | Monte Carlo | Landau | ||
| 1978 - 1978 | Chevrolet | Monte Carlo | Sport | ||
| 1978 - 1981 | Chevrolet | Monte Carlo | Landau | ||
| 1979 - 1979 | Chevrolet | Monte Carlo | Base | ||
| 1980 - 1980 | Chevrolet | Monte Carlo | Sport | ||
| 1981 - 1988 | Chevrolet | Monte Carlo | Base | ||
| 1983 - 1988 | Chevrolet | Monte Carlo | SS | ||
| 1983 - 1983 | Chevrolet | Monte Carlo | CL | ||
| 1986 - 1988 | Chevrolet | Monte Carlo | LS | ||
| 1975 - 1975 | Chevrolet | Monza | S | ||
| 1975 - 1979 | Chevrolet | Monza | 2+2 | ||
| 1976 - 1976 | Chevrolet | Monza | Base | ||
| 1976 - 1979 | Chevrolet | Monza | 2+2 Spyder | ||
| 1977 - 1977 | Chevrolet | Monza | Towne Coupe Sport | ||
| 1977 - 1977 | Chevrolet | Monza | Towne Coupe Cabriolet | ||
| 1977 - 1977 | Chevrolet | Monza | Towne Coupe | ||
| 1977 - 1977 | Chevrolet | Monza | Mirage | ||
| 1978 - 1978 | Chevrolet | Monza | Sport | ||
| 1978 - 1979 | Chevrolet | Monza | S | ||
| 1978 - 1979 | Chevrolet | Monza | Base | ||
| 1978 - 1979 | Chevrolet | Monza | 2+2 Sport | ||
| 1969 - 1979 | Chevrolet | Nova | Base | ||
| 1973 - 1975 | Chevrolet | Nova | Custom | ||
| 1975 - 1978 | Chevrolet | Nova | Police | ||
| 1975 - 1975 | Chevrolet | Nova | LN | ||
| 1976 - 1976 | Chevrolet | Nova | SS | ||
| 1976 - 1977 | Chevrolet | Nova | Concours | ||
| 1977 - 1979 | Chevrolet | Nova | Rally | ||
| 1978 - 1979 | Chevrolet | Nova | Custom | ||
| 1955 - 1957 | Chevrolet | One-Fifty Series | Base | ||
| 1969 - 1972 | Chevrolet | Townsman | Base | ||
| 1955 - 1957 | Chevrolet | Two-Ten Series | Del Ray | ||
| 1955 - 1957 | Chevrolet | Two-Ten Series | Base | ||
| 1959 - 1959 | Fiat | 1100 | Base | ||
| 1972 - 1973 | Oldsmobile | 98 | Base | ||
| 1973 - 1973 | Oldsmobile | 98 | Regency | ||
| 1975 - 1975 | Oldsmobile | Custom Cruiser | Panel | ||
| 1975 - 1975 | Oldsmobile | Custom Cruiser | Base | ||
| 1977 - 1977 | Oldsmobile | Custom Cruiser | Base | ||
| 1991 - 1992 | Oldsmobile | Custom Cruiser | Base | ||
| 1972 - 1973 | Oldsmobile | Cutlass | S | ||
| 1972 - 1972 | Oldsmobile | Cutlass | Cruiser | ||
| 1972 - 1973 | Oldsmobile | Cutlass | Base | ||
| 1978 - 1979 | Oldsmobile | Cutlass | Vista Cruiser | ||
| 1979 - 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham | ||
| 1980 - 1980 | Oldsmobile | Cutlass | LS | ||
| 1980 - 1980 | Oldsmobile | Cutlass | Brougham | ||
| 1980 - 1980 | Oldsmobile | Cutlass | Base | ||
| 1978 - 1980 | Oldsmobile | Cutlass Calais | Base | ||
| 1980 - 1980 | Oldsmobile | Cutlass Cruiser | Base | ||
| 1980 - 1980 | Oldsmobile | Cutlass Cruiser | Brougham | ||
| 1982 - 1982 | Oldsmobile | Cutlass Cruiser | Base | ||
| 1978 - 1978 | Oldsmobile | Cutlass Salon | 442 | ||
| 1978 - 1980 | Oldsmobile | Cutlass Salon | Base | ||
| 1978 - 1980 | Oldsmobile | Cutlass Salon | Brougham | ||
| 1972 - 1973 | Oldsmobile | Cutlass Supreme | Base | ||
| 1978 - 1980 | Oldsmobile | Cutlass Supreme | Base | ||
| 1978 - 1980 | Oldsmobile | Cutlass Supreme | Brougham | ||
| 1972 - 1973 | Oldsmobile | Delta 88 | Base | ||
| 1972 - 1973 | Oldsmobile | Delta 88 | Royale | ||
| 1975 - 1975 | Oldsmobile | Delta 88 | Base | ||
| 1975 - 1975 | Oldsmobile | Delta 88 | Royale | ||
| 1977 - 1977 | Oldsmobile | Delta 88 | Base | ||
| 1977 - 1977 | Oldsmobile | Delta 88 | Royale | ||
| 1972 - 1972 | Oldsmobile | F85 | Base | ||
| 1973 - 1973 | Oldsmobile | Omega | Base | ||
| 1975 - 1979 | Oldsmobile | Omega | Base | ||
| 1975 - 1975 | Oldsmobile | Omega | Salon | ||
| 1976 - 1979 | Oldsmobile | Omega | Brougham | ||
| 1976 - 1977 | Oldsmobile | Omega | F85 | ||
| 1976 - 1978 | Oldsmobile | Omega | SX | ||
| 1977 - 1977 | Oldsmobile | Omega | Deluxe | ||
| 1978 - 1979 | Oldsmobile | Omega | Brougham LS | ||
| 1977 - 1979 | Oldsmobile | Starfire | Base | ||
| 1977 - 1979 | Oldsmobile | Starfire | Firenza | ||
| 1977 - 1979 | Oldsmobile | Starfire | GT | ||
| 1977 - 1979 | Oldsmobile | Starfire | SX | ||
| 1972 - 1973 | Oldsmobile | Vista Cruiser | Base | ||
| 1974 - 1975 | Pontiac | Bonneville | Base | ||
| 1983 - 1986 | Pontiac | Bonneville | Base | ||
| 1983 - 1986 | Pontiac | Bonneville | Brougham | ||
| 1984 - 1986 | Pontiac | Bonneville | LE | ||
| 1967 - 1967 | Pontiac | Catalina | Base | ||
| 1967 - 1967 | Pontiac | Catalina | Safari | ||
| 1967 - 1967 | Pontiac | Catalina | Ventura | ||
| 1974 - 1975 | Pontiac | Catalina | Base | ||
| 1974 - 1975 | Pontiac | Catalina | Safari | ||
| 1972 - 1974 | Pontiac | Firebird | Base | ||
| 1972 - 1974 | Pontiac | Firebird | Esprit | ||
| 1972 - 1974 | Pontiac | Firebird | Formula | ||
| 1972 - 1974 | Pontiac | Firebird | Trans Am | ||
| 1977 - 1980 | Pontiac | Firebird | Base | ||
| 1977 - 1980 | Pontiac | Firebird | Esprit | ||
| 1977 - 1981 | Pontiac | Firebird | Formula | ||
| 1980 - 1992 | Pontiac | Firebird | Trans Am | ||
| 1982 - 1992 | Pontiac | Firebird | Base | ||
| 1982 - 1986 | Pontiac | Firebird | S/E | ||
| 1989 - 1992 | Pontiac | Firebird | Formula | ||
| 1989 - 1992 | Pontiac | Firebird | Trans Am GTA | ||
| 1974 - 1975 | Pontiac | Grand Am | Base | ||
| 1978 - 1980 | Pontiac | Grand Am | Base | ||
| 1975 - 1975 | Pontiac | Grand LeMans | Base | ||
| 1975 - 1975 | Pontiac | Grand LeMans | Safari | ||
| 1977 - 1980 | Pontiac | Grand LeMans | Base | ||
| 1978 - 1980 | Pontiac | Grand LeMans | Safari | ||
| 1975 - 1975 | Pontiac | Grand Prix | LJ | ||
| 1975 - 1975 | Pontiac | Grand Prix | SJ | ||
| 1978 - 1980 | Pontiac | Grand Prix | Base | ||
| 1978 - 1980 | Pontiac | Grand Prix | LJ | ||
| 1978 - 1980 | Pontiac | Grand Prix | SJ | ||
| 1983 - 1987 | Pontiac | Grand Prix | Base | ||
| 1983 - 1987 | Pontiac | Grand Prix | Brougham | ||
| 1983 - 1983 | Pontiac | Grand Prix | LJ | ||
| 1984 - 1987 | Pontiac | Grand Prix | LE |
For more information on COMP Cams part number 1817-16, you can visit the official COMP Cams website.