The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.
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 that’s 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 Locker’s larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. It’s a serious piece of mechanical engineering for serious driving conditions.
  • Fits Ford 8" with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA

Information:

This unit uses carrier bearing and race part numbers LM102949 & LM102910.

Application Summary:

Year Make/Model
1969-1974 Ford E-100 Econoline
1962-1967 Ford Fairlane
1978 Ford Fairmont
1964-1970 Ford Falcon
1972-1976 Ford Gran Torino
1975-1978 Ford Granada
1965-1978 Ford LTD
1970-1977 Ford Maverick
1964-1973 Ford Mustang
1971-1980 Ford Pinto
1964-1979 Ford Ranchero
1975-1980 Mercury Bobcat
1969-1977 Mercury Capri
1962-1969 Mercury Comet
1971-1977 Mercury Comet
1967-1970 Mercury Cougar
1978 Mercury Zephyr
Attributes
AAP Selling Package Quantity UOM EA
AAP_UDA_12 EA
AAP_UDA_22 1
California Proposition 65 Yes
Country of Origin (Primary) CN
Emission Code Legal US
GTIN 00883584280071
Harmonized Tariff Code (Schedule B) 8708998175
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Type Locking
Warranty Time 1

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Yukon Gear & Axle YGLF8-31 Yukon Grizzly Locker for Ford 8" with 31 spline axles

Product Information

Vehicle Fitment