Perfect for stock or High Energy camshaft equipped engines, our High Energy rockers eliminate slop and feature a long slot for higher lift cams. This 1231 rocker features a 1.6 ratio for 3/8" stud '78-'77 Ford 289, 302 and 351 Windsor.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1968-1972,1974 | Ford | Bronco | Base |
| 1975-1977 | Ford | Bronco | Custom |
| 1975 | Ford | Bronco | Northland |
| 1975 | Ford | Bronco | Ranger |
| 1968-1969 | Ford | Bronco | Roadster |
| 1975-1977 | Ford | Bronco | Sport |
| 1968-1973 | Ford | Bronco | Wagon |
| 1968-1974 | Ford | Country Sedan | Base |
| 1968-1974 | Ford | Country Squire | Base |
| 1968-1972 | Ford | Custom | Base |
| 1968-1974,1976-1977 | Ford | Custom 500 | Base |
| 1969-1977 | Ford | E-100 Econoline | Base |
| 1975-1977 | Ford | E-100 Econoline | Chateau |
| 1969-1974 | Ford | E-100 Econoline | Club Wagon |
| 1975-1977 | Ford | E-100 Econoline | Custom |
| 1975-1977 | Ford | E-100 Econoline | Northland |
| 1975-1977 | Ford | E-100 Econoline Club Wagon | Base |
| 1975-1977 | Ford | E-100 Econoline Club Wagon | Chateau |
| 1975-1977 | Ford | E-100 Econoline Club Wagon | Custom |
| 1975-1977 | Ford | E-100 Econoline Club Wagon | Northland |
| 1975-1977 | Ford | E-150 Econoline | Base |
| 1975-1977 | Ford | E-150 Econoline | Chateau |
| 1975-1977 | Ford | E-150 Econoline | Custom |
| 1975-1977 | Ford | E-150 Econoline | Northland |
| 1975-1977 | Ford | E-150 Econoline Club Wagon | Base |
| 1975-1977 | Ford | E-150 Econoline Club Wagon | Chateau |
| 1975-1977 | Ford | E-150 Econoline Club Wagon | Custom |
| 1975-1977 | Ford | E-150 Econoline Club Wagon | Northland |
| 1969-1974 | Ford | E-200 Econoline | Base |
| 1971-1972 | Ford | E-200 Econoline | Chateau Wagon |
| 1969-1974 | Ford | E-200 Econoline | Club Wagon |
| 1970-1974 | Ford | E-200 Econoline | Custom Wagon |
| 1975-1977 | Ford | E-250 Econoline | Base |
| 1975-1977 | Ford | E-250 Econoline | Chateau |
| 1975-1977 | Ford | E-250 Econoline | Custom |
| 1975-1977 | Ford | E-250 Econoline | Northland |
| 1975-1977 | Ford | E-250 Econoline Club Wagon | Base |
| 1975-1977 | Ford | E-250 Econoline Club Wagon | Chateau |
| 1975-1977 | Ford | E-250 Econoline Club Wagon | Custom |
| 1975-1977 | Ford | E-250 Econoline Club Wagon | Northland |
| 1969-1974 | Ford | E-300 Econoline | Base |
| 1970-1974 | Ford | E-300 Econoline | Chateau Wagon |
| 1969-1974 | Ford | E-300 Econoline | Club Wagon |
| 1971-1972 | Ford | E-300 Econoline | Custom Wagon |
| 1975-1977 | Ford | E-350 Econoline | Base |
| 1975-1977 | Ford | E-350 Econoline | Chateau |
| 1975-1977 | Ford | E-350 Econoline | Custom |
| 1975-1977 | Ford | E-350 Econoline | Northland |
| 1977 | Ford | E-350 Econoline Club Wagon | Base |
| 1977 | Ford | E-350 Econoline Club Wagon | Chateau |
| 1977 | Ford | E-350 Econoline Club Wagon | Custom |
| 1977 | Ford | E-350 Econoline Club Wagon | Northland |
| 1975-1976 | Ford | Elite | Base |
| 1976-1977 | Ford | F-100 | Base |
| 1975-1977 | Ford | F-100 | Custom |
| 1975-1977 | Ford | F-100 | Northland |
| 1975-1977 | Ford | F-100 | Ranger |
| 1975-1977 | Ford | F-100 | Ranger XLT |
| 1977 | Ford | F-100 | XLT |
| 1976-1977 | Ford | F-150 | Base |
| 1975-1977 | Ford | F-150 | Custom |
| 1975-1977 | Ford | F-150 | Northland |
| 1975-1977 | Ford | F-150 | Ranger |
| 1975-1977 | Ford | F-150 | Ranger XLT |
| 1977 | Ford | F-150 | XLT |
| 1976-1977 | Ford | F-250 | Base |
| 1975-1977 | Ford | F-250 | Custom |
| 1975-1977 | Ford | F-250 | Northland |
| 1975-1977 | Ford | F-250 | Ranger |
| 1975-1977 | Ford | F-250 | Ranger XLT |
| 1977 | Ford | F-250 | XLT |
| 1976-1977 | Ford | F-350 | Base |
| 1975-1977 | Ford | F-350 | Custom |
| 1975-1977 | Ford | F-350 | Northland |
| 1975-1977 | Ford | F-350 | Ranger |
| 1975-1977 | Ford | F-350 | Ranger XLT |
| 1977 | Ford | F-350 | XLT |
| 1968-1970 | Ford | Fairlane | 500 |
| 1968-1969 | Ford | Fairlane | Base |
| 1968-1970 | Ford | Falcon | Base |
| 1968-1970 | Ford | Falcon | Futura |
| 1968-1974 | Ford | Galaxie 500 | Base |
| 1968-1970 | 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 |
| 1975-1977 | Ford | Granada | Base |
| 1975-1977 | Ford | Granada | Ghia |
| 1968-1974,1976-1977 | Ford | LTD | Base |
| 1970-1974,1976 | Ford | LTD | Brougham |
| 1976-1977 | Ford | LTD | Landau |
| 1977 | Ford | LTD II | Base |
| 1977 | Ford | LTD II | Brougham |
| 1977 | Ford | LTD II | S |
| 1977 | Ford | LTD II | Squire |
| 1971-1977 | Ford | Maverick | Base |
| 1975-1977 | Ford | Maverick | Grabber |
| 1968-1973 | Ford | Mustang | Base |
| 1969-1971 | Ford | Mustang | Boss 302 |
| 1970-1973 | Ford | Mustang | Grande |
| 1970-1973 | Ford | Mustang | Mach 1 |
| 1968-1970 | Ford | Mustang | Shelby GT-350 |
| 1975-1977 | Ford | Mustang II | Base |
| 1975-1977 | Ford | Mustang II | Ghia |
| 1975-1977 | Ford | Mustang II | Mach 1 |
| 1968-1974 | Ford | Ranch Wagon | Base |
| 1970 | Ford | Ranch Wagon | Police Cruiser |
| 1968-1977 | Ford | Ranchero | 500 |
| 1968-1971 | Ford | Ranchero | Base |
| 1968-1977 | Ford | Ranchero | GT |
| 1970-1977 | Ford | Ranchero | Squire |
| 1977 | Ford | Thunderbird | Base |
| 1971 | Ford | Torino | 500 |
| 1968-1976 | Ford | Torino | Base |
| 1970-1971 | Ford | Torino | Brougham |
| 1968-1971 | Ford | Torino | GT |
| 1969-1971 | Ford | Torino | Squire |
| 1977 | Lincoln | Versailles | Base |
| 1971 | Mercury | Colony Park | Base |
| 1968-1969,1971-1977 | Mercury | Comet | Base |
| 1968-1970,1977 | Mercury | Cougar | Base |
| 1969 | Mercury | Cougar | Boss 302 |
| 1977 | Mercury | Cougar | Brougham |
| 1977 | Mercury | Cougar | Villager |
| 1968-1970,1974-1977 | Mercury | Cougar | XR-7 |
| 1968-1970 | Mercury | Cyclone | Base |
| 1969 | Mercury | Cyclone | CJ |
| 1970 | Mercury | Cyclone | GT |
| 1969-1970 | Mercury | Cyclone | Spoiler |
| 1971 | Mercury | Marquis | Base |
| 1971 | Mercury | Marquis | Brougham |
| 1975-1977 | 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 |
- 1968-ford-bronco-base-esi5954761
- 1968-ford-bronco-roadster-esi3333046
- 1968-ford-bronco-wagon-esi9222099
- 1969-ford-bronco-base-esi8517548
- 1969-ford-bronco-roadster-esi4194171
- 1969-ford-bronco-wagon-esi5286332
- 1970-ford-bronco-base-esi6865372
- 1970-ford-bronco-wagon-esi1437968
- 1971-ford-bronco-base-esi5852116
- 1971-ford-bronco-wagon-esi5565252
- 1972-ford-bronco-base-esi1236071
- 1972-ford-bronco-wagon-esi4607931
- 1973-ford-bronco-wagon-esi5409238
- 1974-ford-bronco-base-esi6137441
- 1975-ford-bronco-custom-esi4623949
- 1975-ford-bronco-ranger-esi2752624
- 1975-ford-bronco-sport-esi8782345
- 1975-ford-f-100-custom-esi8248739
- 1975-ford-f-100-northland-esi7930714
- 1975-ford-f-150-custom-esi1261493
- 1975-ford-f-150-northland-esi1355333
- 1975-ford-mustang-ii-base-esi1719181
- 1975-ford-mustang-ii-ghia-esi4783927
- 1975-ford-mustang-ii-mach-1-esi4487901
- 1976-ford-bronco-custom-esi4530606
- 1976-ford-bronco-sport-esi6316786
- 1976-ford-mustang-ii-base-esi7174638
- 1976-ford-mustang-ii-ghia-esi8140779
- 1976-ford-mustang-ii-mach-1-esi6782396
- 1977-ford-bronco-custom-esi8027500
- 1977-ford-ltd-base-esi2780030
- 1977-ford-ltd-landau-esi6856654
- 1977-ford-mustang-ii-base-esi8458300
- 1977-ford-mustang-ii-ghia-esi1290257
- 1977-ford-mustang-ii-mach-1-esi9460316
- 1977-ford-thunderbird-base-esi6461757
- Bucket:Ford
- Engine Components>Rocker Arms
- EPA:N/A
- LTL:N
- MPN:1231-1
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y