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 8.8" with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA

Application Summary:

Year Make/Model
1983-1996 Ford Bronco
1992-2011 Ford Crown Victoria
1983 Ford E-100 Econoline
2003-2014 Ford E-150
1983-2002 Ford E-150 Econoline
1983-1998 Ford E-250 Econoline
1997-2001 Ford Expedition
2009-2014 Ford Expedition
1991-2001 Ford Explorer
2001-2005 Ford Explorer Sport Trac
2007-2010 Ford Explorer Sport Trac
1983-2014 Ford F-150
1978-1983 Ford Fairmont
1979-1982 Ford Granada
1979-1986 Ford LTD
1987-1991 Ford LTD Crown Victoria
1979-2014 Ford Mustang
1990-2011 Ford Ranger
1987-1988 Ford Thunderbird
2003-2005 Lincoln Aviator
1979-1980 Lincoln Continental
1982-1987 Lincoln Continental
2006-2008 Lincoln Mark LT
1980-1983 Lincoln Mark VI
1984-1992 Lincoln Mark VII
1993-1998 Lincoln Mark VIII
1998-2002 Lincoln Navigator
2009-2014 Lincoln Navigator
1981-2011 Lincoln Town Car
1994-2008 Mazda B3000
1994-2007 Mazda B4000
1991-1994 Mazda Navajo
1979-1986 Mercury Capri
1979-1988 Mercury Cougar
1975-2011 Mercury Grand Marquis
2003-2004 Mercury Marauder
1997-2010 Mercury Mountaineer
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 00883584280316
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, Locking
Warranty Time 1

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Yukon Gear & Axle YGLF8.8-31 Yukon Grizzly locker, Ford 8.8" with 31 splines.

Product Information

Vehicle Fitment