Yukon Gear & Axle Yukon Gear Trac-Loc For Ford 8in Wtih 31 Spline Axles. Street Design YDGF8-31-SM
YUK Trac-Loc
Differential
8" 31spl T/L STREET POSI (Light Springs) needs T/L bolts + YK F8-AG
This unit requires carrier bearing & race part numbers LM102949 & LM102910. 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.
8" Ford Yukon Trac-Loc with 28 Spline; Limited Slip; Smooth Design for Street/Everyday Use - 2 Preload Springs; 4 Pinion Design
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1969 - 1974 | Ford | E-100 Econoline | Base, Club Wagon |
| 1966 - 1967 | Ford | Fairlane | 500XL |
| 1962 - 1967 | Ford | Fairlane | Base, 500 |
| 1978 | Ford | Fairmont | Base, Futura |
| 1964 - 1970 | Ford | Falcon | Base, Futura |
| 1964 - 1965 | Ford | Falcon | Futura Sprint |
| 1964 - 1965 | Ford | Falcon Sedan Delivery | Base |
| 1972 - 1976 | Ford | Gran Torino | Base, Squire |
| 1973 - 1976 | Ford | Gran Torino | Brougham |
| 1974 - 1975 | Ford | Gran Torino | Elite |
| 1972 - 1975 | Ford | Gran Torino | Sport |
| 1978 | Ford | Granada | ESS |
| 1975 - 1978 | Ford | Granada | Ghia, Base |
| 1965 - 1978 | Ford | LTD | Base |
| 1970 - 1976 | Ford | LTD | Brougham |
| 1975 - 1978 | Ford | LTD | Country Squire, Landau |
| 1970 - 1977 | Ford | Maverick | Base |
| 1975 - 1977 | Ford | Maverick | Grabber |
| 1964 - 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 |
| 1971 - 1980 | Ford | Pinto | Base |
| 1976 - 1980 | Ford | Pinto | Pony, Squire |
| 1967 - 1979 | Ford | Ranchero | 500 |
| 1967 | Ford | Ranchero | 500 XL |
| 1964 - 1971 | Ford | Ranchero | Base |
| 1966 | Ford | Ranchero | Custom |
| 1968 - 1979 | Ford | Ranchero | GT |
| 1970 - 1979 | Ford | Ranchero | Squire |
| 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 |
| 1975 - 1980 | Mercury | Bobcat | Base |
| 1976 | Mercury | Bobcat | MPG Runabout, S Runabout |
| 1976 - 1980 | Mercury | Bobcat | Runabout, Villager |
| 1969 - 1977 | Mercury | Capri | Base |
| 1964 - 1965 | Mercury | Comet | 404, 202 |
| 1962 - 1977 | Mercury | Comet | Base |
| 1962 - 1963 | Mercury | Comet | Custom, S-22 |
| 1967 - 1970 | Mercury | Cougar | Base, XR-7 |
| 1969 - 1970 | Mercury | Cougar | Boss 429, Boss 302, Cobra Jet |
| 1978 | Mercury | Zephyr | Z7, Base |