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 1830 rockers feature a 1.73 ratio for use with 7/16" stud Ford Boss 302, 351C and 429-460.
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 Chromemoly Steel
- 29 Percent Stronger Than Pro Magnum
- Redesigned Steel Stud Mount Rocker
- Reduced Weight And Greater Strength
- Increased High RPM Stability
- Black Oxide Exterior Finish
- Increased Retainer And Valve Spring Clearances
- Lifetime Warranty
Application Summary:
| Year | Make/Model |
|---|---|
| 1968-1974 | Ford Country Sedan |
| 1968-1974 | Ford Country Squire |
| 1987-1991 | Ford Country Squire |
| 1969-1972 | Ford Custom |
| 1968-1976 | Ford Custom 500 |
| 1975-1976 | Ford Elite |
| 1968-1970 | Ford Fairlane |
| 1978-1979 | Ford Fairmont |
| 1968-1970 | Ford Falcon |
| 1968-1974 | Ford Galaxie 500 |
| 1972-1976 | Ford Gran Torino |
| 1975-1980 | Ford Granada |
| 1968-1986 | Ford LTD |
| 1987-1991 | Ford LTD Crown Victoria |
| 1977-1979 | Ford LTD II |
| 1971-1977 | Ford Maverick |
| 1968-1973 | Ford Mustang |
| 1979 | Ford Mustang |
| 1982-1995 | Ford Mustang |
| 2011 | Ford Mustang |
| 1975-1978 | Ford Mustang II |
| 1968-1974 | Ford Ranch Wagon |
| 1968-1981 | Ford Thunderbird |
| 1983-1988 | Ford Thunderbird |
| 1991-1993 | Ford Thunderbird |
| 1968-1976 | Ford Torino |
| 1968-1978 | Lincoln Continental |
| 1980 | Lincoln Continental |
| 1982-1987 | Lincoln Continental |
| 1968-1971 | Lincoln Mark III |
| 1972-1976 | Lincoln Mark IV |
| 1977-1978 | Lincoln Mark V |
| 1980-1983 | Lincoln Mark VI |
| 1984-1992 | Lincoln Mark VII |
| 1981-1990 | Lincoln Town Car |
| 1977-1980 | Lincoln Versailles |
| 1979 | Mercury Capri |
| 1982-1986 | Mercury Capri |
| 1969-1974 | Mercury Colony Park |
| 1987-1991 | Mercury Colony Park |
| 1968-1969 | Mercury Comet |
| 1971-1977 | Mercury Comet |
| 1968-1981 | Mercury Cougar |
| 1983-1988 | Mercury Cougar |
| 1991-1993 | Mercury Cougar |
| 1968-1971 | Mercury Cyclone |
| 1975-1991 | Mercury Grand Marquis |
| 1969-1970 | Mercury Marauder |
| 1969-1982 | Mercury Marquis |
| 1975-1980 | Mercury Monarch |
| 1968-1976 | Mercury Montego |
| 1969-1974 | Mercury Monterey |
| 1978 | Mercury Zephyr |