Yukon Gear & Axle Yukon Gear Grizzly Locker For Ford 8in w/ 31 Spline Axles YGLF8-31
YUK Grizzly Lockers
Differential
FORD 8", 31spl GRIZZLY LOCKER ( uses HD BRGS)
This unit uses carrier bearing and race part numbers LM102949 & LM102910.
Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential thats engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly Locker is a patented design that features innovations that make it tougher than the competition. Its inner clutch teeth have a larger radius at the base, which offers up to 350% greater strength versus back-cut designs. The Grizzly Lockers larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. Its a serious piece of mechanical engineering for serious driving conditions.
Fits Ford 8'' with 31 spline axles. Grizzly Lockers are a mechanical locking differential designed for off-road and racing use. Patented design reduces common locker failures.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1969 - 1974 | Ford | E-100 Econoline | Base, Club Wagon |
| 1957 - 1970 | Ford | Fairlane | 500 |
| 1966 - 1967 | Ford | Fairlane | 500XL |
| 1957 - 1969 | Ford | Fairlane | Base |
| 1978 | Ford | Fairmont | Base, Futura |
| 1960 - 1970 | Ford | Falcon | Base |
| 1962 | Ford | Falcon | Deluxe |
| 1963 - 1970 | Ford | Falcon | Futura |
| 1963 - 1965 | Ford | Falcon | Futura Sprint |
| 1961 - 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 - 1979 | Ford | Granada | ESS |
| 1975 - 1979 | 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 - 1979 | Ford | Mustang | Base |
| 1969 - 1971 | Ford | Mustang | Boss 302 |
| 1971 - 1972 | Ford | Mustang | Boss 351 |
| 1969 - 1970 | Ford | Mustang | Boss 429 |
| 1979 | Ford | Mustang | Ghia |
| 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 | Squire, Pony |
| 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 |
| 1963 - 1964 | Ford | Sprint | Base |
| 2005 | Ford | Thunderbird | 50th Anniversary Edition |
| 2002 - 2005 | Ford | Thunderbird | Base |
| 2003 | Ford | Thunderbird | James Bond Edition |
| 2002 | Ford | Thunderbird | Neiman Marcus |
| 2004 | Ford | Thunderbird | Pacific Coast Roadster |
| 1971 | Ford | Torino | 500 |
| 1968 - 1976 | Ford | Torino | Base |
| 1969 - 1971 | Ford | Torino | Cobra, Squire |
| 1968 - 1971 | Ford | Torino | GT |
| 1970 - 1971 | Ford | Torino | Super Cobra Jet, Brougham |
| 1975 - 1980 | Mercury | Bobcat | Base |
| 1976 | Mercury | Bobcat | S Runabout, MPG Runabout |
| 1976 - 1980 | Mercury | Bobcat | Villager, Runabout |
| 1969 - 1977 | Mercury | Capri | Base |
| 1964 - 1965 | Mercury | Comet | 202, 404 |
| 1962 - 1977 | Mercury | Comet | Base |
| 1962 - 1963 | Mercury | Comet | Custom, S-22 |
| 1969 - 1970 | Mercury | Cougar | Cobra Jet, Boss 429, Boss 302 |
| 1967 - 1970 | Mercury | Cougar | XR-7, Base |
| 1978 | Mercury | Zephyr | Base, Z7 |