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. This 1831 rocker features a 1.6 ratio for use with 3/8" stud Ford 289, 302 and 351 Windsor.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1963-1974 | Ford | Country Sedan | Base |
| 1963-1974,1987-1991 | Ford | Country Squire | Base |
| 1987-1991 | Ford | Country Squire | LX |
| 1965-1972 | Ford | Custom | Base |
| 1964-1977 | Ford | Custom 500 | Base |
| 1975-1976 | Ford | Elite | Base |
| 1963-1970 | Ford | Fairlane | 500 |
| 1966-1967 | Ford | Fairlane | 500XL |
| 1963-1969 | Ford | Fairlane | Base |
| 1978-1979 | Ford | Fairmont | Base |
| 1978-1979 | Ford | Fairmont | Futura |
| 1964-1970 | Ford | Falcon | Base |
| 1964-1970 | Ford | Falcon | Futura |
| 1964-1965 | Ford | Falcon | Futura Sprint |
| 1965 | Ford | Falcon Sedan Delivery | Base |
| 1963-1967 | Ford | Galaxie | Base |
| 1963-1974 | Ford | Galaxie 500 | Base |
| 1963 | Ford | Galaxie 500 | Sunliner |
| 1963 | Ford | Galaxie 500 | Victoria |
| 1963-1970 | Ford | Galaxie 500 | XL |
| 1972-1976 | Ford | Gran Torino | Base |
| 1973-1976 | Ford | Gran Torino | Brougham |
| 1974-1975 | Ford | Gran Torino | Elite |
| 1972-1975 | Ford | Gran Torino | Sport |
| 1972-1976 | Ford | Gran Torino | Squire |
| 1975-1980 | Ford | Granada | Base |
| 1978-1980 | Ford | Granada | ESS |
| 1975-1980 | Ford | Granada | Ghia |
| 1966-1969 | Ford | GT40 | MK III |
| 1965-1982,1984-1985 | Ford | LTD | Base |
| 1970-1976,1984-1985 | Ford | LTD | Brougham |
| 1979-1986 | Ford | LTD | Country Squire |
| 1986 | Ford | LTD | Country Squire LX |
| 1980-1986 | Ford | LTD | Crown Victoria |
| 1986 | Ford | LTD | Crown Victoria LX |
| 1975-1979 | Ford | LTD | Landau |
| 1985 | Ford | LTD | LX Brougham |
| 1980-1982 | Ford | LTD | S |
| 1987-1991 | Ford | LTD Crown Victoria | Base |
| 1987-1991 | Ford | LTD Crown Victoria | LX |
| 1987-1991 | Ford | LTD Crown Victoria | S |
| 1977-1979 | Ford | LTD II | Base |
| 1977-1978 | Ford | LTD II | Brougham |
| 1979 | Ford | LTD II | Landau |
| 1977-1979 | Ford | LTD II | S |
| 1977 | Ford | LTD II | Squire |
| 1971-1977 | Ford | Maverick | Base |
| 1975-1977 | Ford | Maverick | Grabber |
| 1964-1973,1979 | Ford | Mustang | Base |
| 1969-1971 | Ford | Mustang | Boss 302 |
| 1979 | Ford | Mustang | Ghia |
| 1982 | Ford | Mustang | GL |
| 1982 | Ford | Mustang | GLX |
| 1970-1973 | Ford | Mustang | Grande |
| 1982-1995,2011 | Ford | Mustang | GT |
| 1984 | Ford | Mustang | GT-350 20th Anniversary |
| 1995 | Ford | Mustang | GTS |
| 1982,1984 | Ford | Mustang | L |
| 1984-1993 | Ford | Mustang | LX |
| 1970-1973 | Ford | Mustang | Mach 1 |
| 1965-1970 | Ford | Mustang | Shelby GT-350 |
| 1966 | Ford | Mustang | Shelby GT-350H |
| 1993-1995 | Ford | Mustang | SVT Cobra |
| 1993,1995 | Ford | Mustang | SVT Cobra R |
| 1975-1978 | Ford | Mustang II | Base |
| 1975-1978 | Ford | Mustang II | Ghia |
| 1975-1978 | Ford | Mustang II | Mach 1 |
| 1963-1974 | Ford | Ranch Wagon | Base |
| 1970 | Ford | Ranch Wagon | Police Cruiser |
| 1977-1981,1983-1988,1991-1992 | Ford | Thunderbird | Base |
| 1978 | Ford | Thunderbird | Diamond Jubilee |
| 1984-1986 | Ford | Thunderbird | Elan |
| 1984-1985 | Ford | Thunderbird | Fila |
| 1979,1981,1983 | Ford | Thunderbird | Heritage |
| 1983-1988,1991-1993 | Ford | Thunderbird | LX |
| 1980 | Ford | Thunderbird | Silver Anniversary |
| 1983-1988 | Ford | Thunderbird | Sport |
| 1978-1981 | Ford | Thunderbird | Town Landau |
| 1971 | Ford | Torino | 500 |
| 1968-1976 | Ford | Torino | Base |
| 1970-1971 | Ford | Torino | Brougham |
| 1968-1971 | Ford | Torino | GT |
| 1969-1971 | Ford | Torino | Squire |
| 1980,1982-1987 | Lincoln | Continental | Base |
| 1982-1987 | Lincoln | Continental | Givenchy |
| 1982 | Lincoln | Continental | Signature |
| 1983-1985 | Lincoln | Continental | Valentino |
| 1980-1983 | Lincoln | Mark VI | Base |
| 1982-1983 | Lincoln | Mark VI | Bill Blass |
| 1982 | Lincoln | Mark VI | Givenchy |
| 1982-1983 | Lincoln | Mark VI | Pucci |
| 1982-1983 | Lincoln | Mark VI | Signature |
| 1984-1987 | Lincoln | Mark VII | Base |
| 1984-1992 | Lincoln | Mark VII | Bill Blass |
| 1984-1992 | Lincoln | Mark VII | LSC |
| 1984-1985 | Lincoln | Mark VII | Versace |
| 1981-1990 | Lincoln | Town Car | Base |
| 1982-1990 | Lincoln | Town Car | Cartier |
| 1990 | Lincoln | Town Car | Cypress |
| 1990 | Lincoln | Town Car | Executive |
| 1982-1990 | Lincoln | Town Car | Signature |
| 1989 | Lincoln | Town Car | Signature SE |
| 1990 | Lincoln | Town Car | Touring Edition |
| 1977-1980 | Lincoln | Versailles | Base |
| 1964-1967 | Mercury | Caliente | Base |
| 1986 | Mercury | Capri | 5.0 |
| 1979 | Mercury | Capri | Base |
| 1979 | Mercury | Capri | Ghia |
| 1982-1985 | Mercury | Capri | RS |
| 1971 | Mercury | Colony Park | Base |
| 1987-1991 | Mercury | Colony Park | GS |
| 1987-1991 | Mercury | Colony Park | LS |
| 1964-1969,1971-1977 | Mercury | Comet | Base |
| 1967 | Mercury | Commuter | Base |
| 1967-1970,1977-1979,1983-1986 | Mercury | Cougar | Base |
| 1969 | Mercury | Cougar | Boss 302 |
| 1977 | Mercury | Cougar | Brougham |
| 1983-1988,1991-1992 | Mercury | Cougar | LS |
| 1977 | Mercury | Cougar | Villager |
| 1967-1981,1987-1988,1991-1993 | Mercury | Cougar | XR-7 |
| 1964-1970 | Mercury | Cyclone | Base |
| 1969 | Mercury | Cyclone | CJ |
| 1970 | Mercury | Cyclone | GT |
| 1969-1970 | Mercury | Cyclone | Spoiler |
| 1978-1986 | Mercury | Grand Marquis | Base |
| 1979-1986 | Mercury | Grand Marquis | Colony Park |
| 1987-1991 | Mercury | Grand Marquis | GS |
| 1983-1991 | Mercury | Grand Marquis | LS |
| 1971,1978-1982,1985 | Mercury | Marquis | Base |
| 1971,1978-1982 | Mercury | Marquis | Brougham |
| 1975-1980 | Mercury | Monarch | Base |
| 1975-1977 | Mercury | Monarch | Ghia |
| 1976 | Mercury | Monarch | Grand Ghia |
| 1968-1976 | Mercury | Montego | Base |
| 1975 | Mercury | Montego | Brougham |
| 1972-1973 | Mercury | Montego | GT |
| 1968-1976 | Mercury | Montego | MX |
| 1970-1974,1976 | Mercury | Montego | MX Brougham |
| 1976 | Mercury | Montego | MX Villager |
| 1970-1975 | Mercury | Montego | Villager |
| 1971 | Mercury | Monterey | Base |
| 1971 | Mercury | Monterey | Custom |
| 1964-1967 | Mercury | Villager | Base |
| 1966-1967 | Mercury | Voyager | Base |
| 1978-1979 | Mercury | Zephyr | Base |
| 1978-1979 | Mercury | Zephyr | Z7 |
- 1977-ford-ltd-base-esi2780030
- 1977-ford-ltd-landau-esi6856654
- 1977-ford-thunderbird-base-esi6461757
- 1978-ford-ltd-base-esi2826423
- 1978-ford-ltd-landau-esi8749553
- 1978-ford-thunderbird-base-esi9845931
- 1978-ford-thunderbird-diamond-jubilee-esi4568185
- 1978-ford-thunderbird-town-landau-esi3132231
- 1979-ford-ltd-base-esi2525247
- 1979-ford-ltd-country-squire-esi1646516
- 1979-ford-ltd-landau-esi3109700
- 1979-ford-thunderbird-base-esi3239154
- 1979-ford-thunderbird-heritage-esi6734073
- 1979-ford-thunderbird-town-landau-esi8349779
- 1980-ford-ltd-base-esi2953482
- 1980-ford-ltd-country-squire-esi1635987
- 1980-ford-ltd-s-esi1972478
- 1980-ford-thunderbird-base-esi9022591
- 1980-ford-thunderbird-silver-anniversary-esi9618160
- 1980-ford-thunderbird-town-landau-esi9231386
- 1981-ford-ltd-base-esi4563394
- 1981-ford-ltd-country-squire-esi5744408
- 1981-ford-ltd-s-esi3145443
- 1981-ford-thunderbird-base-esi2811775
- 1981-ford-thunderbird-heritage-esi4904809
- 1981-ford-thunderbird-town-landau-esi6387787
- 1982-ford-ltd-base-esi4995584
- 1982-ford-ltd-country-squire-esi4923145
- 1982-ford-ltd-s-esi3680691
- 1982-lincoln-town-car-base-esi3328226
- 1982-lincoln-town-car-cartier-esi7527326
- 1982-lincoln-town-car-signature-esi9895965
- 1983-ford-thunderbird-base-esi6843985
- 1983-ford-thunderbird-heritage-esi4271430
- 1983-ford-thunderbird-lx-esi9471110
- 1983-lincoln-town-car-base-esi4158919
- 1984-ford-thunderbird-base-esi6185645
- 1984-ford-thunderbird-elan-esi6052242
- 1984-ford-thunderbird-lx-esi3743819
- 1984-ford-thunderbird-sport-esi6016141
- 1984-lincoln-town-car-base-esi3518530
- 1984-lincoln-town-car-cartier-esi4134341
- 1984-lincoln-town-car-signature-esi2396444
- 1985-ford-thunderbird-base-esi7110974
- 1985-ford-thunderbird-elan-esi1922241
- 1985-ford-thunderbird-lx-esi8084967
- 1985-ford-thunderbird-sport-esi8976234
- 1985-lincoln-town-car-base-esi4824763
- 1985-lincoln-town-car-cartier-esi4419495
- 1985-lincoln-town-car-signature-esi1032617
- 1986-ford-thunderbird-base-esi7338730
- 1986-ford-thunderbird-elan-esi7857495
- 1986-ford-thunderbird-lx-esi9478382
- 1986-ford-thunderbird-sport-esi7498374
- 1986-lincoln-town-car-base-esi8630074
- 1986-lincoln-town-car-signature-esi5931032
- 1987-ford-mustang-gt-esi4250298
- 1987-ford-mustang-lx-esi4954715
- 1987-ford-thunderbird-base-esi6855172
- 1987-ford-thunderbird-lx-esi2941001
- 1987-ford-thunderbird-sport-esi5657727
- 1987-lincoln-town-car-base-esi6747729
- 1987-lincoln-town-car-cartier-esi2933922
- 1987-lincoln-town-car-signature-esi1966067
- 1988-ford-mustang-gt-esi3058454
- 1988-ford-mustang-lx-esi4395229
- 1988-ford-thunderbird-base-esi5525719
- 1988-ford-thunderbird-lx-esi3300661
- 1988-ford-thunderbird-sport-esi9853888
- 1988-lincoln-town-car-base-esi4364671
- 1988-lincoln-town-car-cartier-esi1006757
- 1988-lincoln-town-car-signature-esi6203090
- 1989-ford-mustang-gt-esi4565944
- 1989-ford-mustang-lx-esi8672249
- 1989-lincoln-town-car-base-esi4833923
- 1989-mercury-grand-marquis-gs-esi3421953
- 1989-mercury-grand-marquis-ls-esi6468410
- 1990-ford-mustang-gt-esi9829753
- 1990-ford-mustang-lx-esi4737229
- 1990-lincoln-town-car-base-esi6454589
- 1990-lincoln-town-car-cartier-esi1838951
- 1990-lincoln-town-car-executive-esi6354318
- 1990-mercury-grand-marquis-gs-esi1914611
- 1990-mercury-grand-marquis-ls-esi6754481
- 1991-ford-mustang-gt-esi7695260
- 1991-ford-mustang-lx-esi6939203
- 1991-mercury-grand-marquis-gs-esi2564339
- 1992-ford-mustang-gt-esi8081298
- 1992-ford-mustang-lx-esi3077381
- 1993-ford-mustang-gt-esi3522104
- 1993-ford-mustang-lx-esi4093896
- 1993-ford-mustang-svt-cobra-esi6796675
- 1993-ford-mustang-svt-cobra-r-esi9439673
- 1994-ford-mustang-gt-esi9666758
- 1995-ford-mustang-gt-esi8362922
- 1995-ford-mustang-gts-esi2035804
- 2011-ford-mustang-gt-esi7270459
- Bucket:Ford
- Engine Components>Rocker Arms
- EPA:N/A
- LTL:N
- MPN:1831-1
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y