Special Order
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1801 rockers feature a 1.5 ratio for use with 3/8" stud Chevrolet 265-400 Small Block.
Built to outlast and outperform in accuracy and strength, the Ultra Pro Magnum XD rocker arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.8 in 0.5 in. increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These Ultra Pro Magnum XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, 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(moment of inertia) optimization for drag and circle track applications.
Built to outlast and outperform in accuracy and strength, the Ultra Pro Magnum XD rocker arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.8 in 0.5 in. increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These Ultra Pro Magnum XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, 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(moment of inertia) optimization for drag and circle track applications.
- 8650 Steel Construction
- Outlasts And Outperforms Other Rockers
- Unique Machined Billet Pushrod Seat
- FEA And CAD Development
- Improved Strength And Stiffness
- Rebuildable Design
- Engineered For Use In Endurance/Circle/Drag Race
- Lifetime Warranty
Application Summary:
| Year | Make/Model |
|---|---|
| 1973-1974 | Buick Apollo |
| 1973 | Buick Centurion |
| 1973-1974 | Buick Century |
| 1977-1980 | Buick Century |
| 1991-1993 | Buick Commercial Chassis |
| 1976 | Buick Electra |
| 1973 | Buick Estate Wagon |
| 1972 | Buick GS |
| 1972-1974 | Buick LeSabre |
| 1978 | Buick LeSabre |
| 1973-1974 | Buick Regal |
| 1977-1980 | Buick Regal |
| 1991-1993 | Buick Roadmaster |
| 1972 | Buick Skylark |
| 1977-1979 | Buick Skylark |
| 1990-1992 | Cadillac Brougham |
| 1992-1993 | Cadillac Commercial Chassis |
| 1980 | Cadillac Eldorado |
| 1993 | Cadillac Fleetwood |
| 1980 | Cadillac Seville |
| 1975-1982 | Checker Marathon |
| 1955-1975 | Chevrolet Bel Air |
| 1958-1972 | Chevrolet Biscayne |
| 1958-1961 | Chevrolet Brookwood |
| 1969-1972 | Chevrolet Brookwood |
| 1967-1973 | Chevrolet Camaro |
| 1975-1992 | Chevrolet Camaro |
| 1966-1996 | Chevrolet Caprice |
| 1964-1973 | Chevrolet Chevelle |
| 1963-1968 | Chevrolet Chevy II |
| 1955-1972 | Chevrolet Corvette |
| 1974-1982 | Chevrolet Corvette |
| 1984-1991 | Chevrolet Corvette |
| 1958 | Chevrolet Del Ray |
| 1959-1985 | Chevrolet Impala |
| 1969-1972 | Chevrolet Kingswood |
| 1973-1976 | Chevrolet Laguna |
| 1964-1967 | Chevrolet Malibu |
| 1973-1983 | Chevrolet Malibu |
| 1970-1988 | Chevrolet Monte Carlo |
| 1976-1979 | Chevrolet Monza |
| 1969-1979 | Chevrolet Nova |
| 1955-1957 | Chevrolet One-Fifty Series |
| 1969-1972 | Chevrolet Townsman |
| 1955-1957 | Chevrolet Two-Ten Series |
| 1959 | Fiat 1100 |
| 1975 | Oldsmobile Custom Cruiser |
| 1977 | Oldsmobile Custom Cruiser |
| 1991-1992 | Oldsmobile Custom Cruiser |
| 1972-1973 | Oldsmobile Cutlass |
| 1978-1980 | Oldsmobile Cutlass |
| 1978-1980 | Oldsmobile Cutlass Calais |
| 1980 | Oldsmobile Cutlass Cruiser |
| 1982 | Oldsmobile Cutlass Cruiser |
| 1978-1980 | Oldsmobile Cutlass Salon |
| 1972-1973 | Oldsmobile Cutlass Supreme |
| 1978-1980 | Oldsmobile Cutlass Supreme |
| 1972-1973 | Oldsmobile Delta 88 |
| 1975 | Oldsmobile Delta 88 |
| 1977 | Oldsmobile Delta 88 |
| 1972 | Oldsmobile F85 |
| 1973 | Oldsmobile Omega |
| 1977-1979 | Oldsmobile Omega |
| 1977-1979 | Oldsmobile Starfire |
| 1972-1973 | Oldsmobile Vista Cruiser |
| 1974-1975 | Pontiac Bonneville |
| 1983-1986 | Pontiac Bonneville |
| 1967 | Pontiac Catalina |
| 1974-1975 | Pontiac Catalina |
| 1972-1974 | Pontiac Firebird |