Yukon Gear & Axle Yukon Gear Trac Loc For Ford 9in Wtih 31 Spline Axles. Aggressive Design YDGF9-31-AG
YUK Trac-Loc
Differential
9"31spl HD T/L RACE (will CHATTER & needs T/L bolts)
This unit has 1.783" bearing journals. This unit will not fit in Strange Engineering aluminum dropouts. Yukon recommends the use of high grade Non-Synthetic GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation. Part number OILADD. The use of synthetic oil is not recommended and may result in aggressive or noisy operation. This unit requires the use of ring gear bolt part number YSPBLT-014.
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.
9" Ford Yukon Trac-Loc with 31 Spline; Limited Slip Aggressive Design - 4 Preload Springs; 4 Pinion Design
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1966 - 1974 | Ford | Bronco | Base |
| 1975 - 1986 | Ford | Bronco | Custom |
| 1985 - 1986 | Ford | Bronco | Eddie Bauer |
| 1975 - 1978 | Ford | Bronco | Northland |
| 1975 | Ford | Bronco | Ranger |
| 1978 - 1981 | Ford | Bronco | Ranger XLT |
| 1968 - 1969 | Ford | Bronco | Roadster |
| 1975 - 1977 | Ford | Bronco | Sport |
| 1968 - 1973 | Ford | Bronco | Wagon |
| 1982 - 1983 | Ford | Bronco | XLS, XLT Lariat |
| 1984 - 1986 | Ford | Bronco | XLT |
| 1969 - 1982 | Ford | E-100 Econoline | Base |
| 1975 - 1982 | Ford | E-100 Econoline | Chateau |
| 1969 - 1974 | Ford | E-100 Econoline | Club Wagon |
| 1975 - 1983 | Ford | E-100 Econoline | Custom |
| 1975 - 1978 | Ford | E-100 Econoline | Northland |
| 1983 | Ford | E-100 Econoline | XL |
| 1975 - 1982 | Ford | E-100 Econoline Club Wagon | Base, Chateau |
| 1975 - 1983 | Ford | E-100 Econoline Club Wagon | Custom |
| 1975 - 1978 | Ford | E-100 Econoline Club Wagon | Northland |
| 1983 | Ford | E-100 Econoline Club Wagon | XL |
| 1979 - 1986 | Ford | E-150 Econoline | Base |
| 1979 - 1982 | Ford | E-150 Econoline | Chateau |
| 1979 - 1988 | Ford | E-150 Econoline | Custom |
| 1983 - 1988 | Ford | E-150 Econoline | XL |
| 1979 - 1986 | Ford | E-150 Econoline Club Wagon | Base |
| 1979 - 1982 | Ford | E-150 Econoline Club Wagon | Chateau |
| 1979 - 1988 | Ford | E-150 Econoline Club Wagon | Custom |
| 1983 - 1988 | Ford | E-150 Econoline Club Wagon | XL |
| 1984 - 1988 | Ford | E-150 Econoline Club Wagon | XLT |
| 1969 - 1974 | Ford | E-200 Econoline | Base, Club Wagon |
| 1971 - 1972 | Ford | E-200 Econoline | Chateau Wagon |
| 1970 - 1974 | Ford | E-200 Econoline | Custom Wagon |
| 1975 - 1980 | Ford | E-250 Econoline | Base, Chateau, Custom |
| 1975 - 1978 | Ford | E-250 Econoline | Northland |
| 1975 - 1980 | Ford | E-250 Econoline Club Wagon | Custom, Base, Chateau |
| 1975 - 1978 | Ford | E-250 Econoline Club Wagon | Northland |
| 1957 - 1983 | Ford | F-100 | Base |
| 1975 - 1982 | Ford | F-100 | Custom |
| 1975 - 1978 | Ford | F-100 | Northland |
| 1978 - 1981 | Ford | F-100 | Ranger Lariat |
| 1975 - 1981 | Ford | F-100 | Ranger XLT, Ranger |
| 1982 - 1983 | Ford | F-100 | XL, XLT Lariat, XLS |
| 1977 | Ford | F-100 | XLT |
| 1976 - 1986 | Ford | F-150 | Base |
| 1975 - 1987 | Ford | F-150 | Custom, Ranger |
| 1975 - 1978 | Ford | F-150 | Northland |
| 1978 - 1981 | Ford | F-150 | Ranger Lariat |
| 1975 - 1981 | Ford | F-150 | Ranger XLT |
| 1982 - 1983 | Ford | F-150 | XLS |
| 1977 - 1984 | Ford | F-150 | XLT |
| 1982 - 1987 | Ford | F-150 | XLT Lariat, XL |
| 1957 - 1970 | Ford | Fairlane | 500 |
| 1966 - 1967 | Ford | Fairlane | 500XL |
| 1957 - 1969 | Ford | Fairlane | Base |
| 1960 - 1970 | Ford | Falcon | Base |
| 1962 | Ford | Falcon | Deluxe |
| 1963 - 1970 | Ford | Falcon | Futura |
| 1963 - 1965 | Ford | Falcon | Futura Sprint |
| 1959 - 1967 | Ford | Galaxie | Base |
| 1960 | Ford | Galaxie | Special |
| 1961 | Ford | Galaxie | Town Victoria, Sunliner, Club Victoria, Starliner |
| 1968 - 1974 | Ford | Galaxie 500 | Base |
| 1968 - 1970 | Ford | Galaxie 500 | XL |
| 1973 - 1976 | Ford | Gran Torino | Brougham |
| 1974 - 1975 | Ford | Gran Torino | Elite |
| 1972 - 1975 | Ford | Gran Torino | Sport |
| 1972 - 1976 | Ford | Gran Torino | Squire, Base |
| 1978 - 1979 | Ford | Granada | ESS |
| 1975 - 1979 | Ford | Granada | Ghia, Base |
| 1965 - 1979 | Ford | LTD | Base |
| 1970 - 1976 | Ford | LTD | Brougham |
| 1975 - 1979 | Ford | LTD | Country Squire, Landau |
| 1970 - 1977 | Ford | Maverick | Base |
| 1975 - 1977 | Ford | Maverick | Grabber |
| 1965 - 1973 | Ford | Mustang | Base |
| 1969 - 1971 | Ford | Mustang | Boss 302 |
| 1971 - 1972 | Ford | Mustang | Boss 351 |
| 1969 - 1970 | Ford | Mustang | Boss 429 |
| 1970 - 1973 | Ford | Mustang | Mach 1, Grande |
| 1965 - 1970 | Ford | Mustang | Shelby GT-350 |
| 1966 | Ford | Mustang | Shelby GT-350H |
| 1967 - 1970 | Ford | Mustang | Shelby GT-500 |
| 1968 | Ford | Mustang | Shelby GT-500KR |
| 1967 - 1979 | Ford | Ranchero | 500 |
| 1967 | Ford | Ranchero | 500 XL |
| 1957 - 1971 | Ford | Ranchero | Base |
| 1957 - 1966 | Ford | Ranchero | Custom |
| 1968 - 1979 | Ford | Ranchero | GT |
| 1970 - 1979 | Ford | Ranchero | Squire |
| 1955 - 1979 | Ford | Thunderbird | Base |
| 1978 | Ford | Thunderbird | Diamond Jubilee |
| 1979 | Ford | Thunderbird | Heritage |
| 1978 - 1979 | Ford | Thunderbird | Town Landau |
| 1971 | Ford | Torino | 500 |
| 1968 - 1976 | Ford | Torino | Base |
| 1970 - 1971 | Ford | Torino | Brougham, Super Cobra Jet |
| 1968 - 1971 | Ford | Torino | GT |
| 1969 - 1971 | Ford | Torino | Squire, Cobra |
| 1958 - 1979 | Lincoln | Continental | Base |
| 1968 - 1971 | Lincoln | Mark III | Base |
| 1964 - 1965 | Mercury | Comet | 202, 404 |
| 1964 - 1977 | Mercury | Comet | Base |
| 1967 - 1979 | Mercury | Cougar | Base, XR-7 |
| 1969 - 1970 | Mercury | Cougar | Boss 429 |
| 1977 | Mercury | Cougar | Brougham, Villager |
| 1969 - 1971 | Mercury | Cougar | Cobra Jet, Boss 302 |
| 1975 - 1980 | Mercury | Grand Marquis | Base |
| 1979 - 1980 | Mercury | Grand Marquis | Colony Park |