Yukon Grizzly locker, Ford 8.8" with 31 splines.

The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100 percent power to both tires, while still allowing for disengagement while negotiating turns.
Details:

• Fits Ford 8.8 inch with 31 spline axles
• Patented internal design reduces common locker failures
• 8620 internals for added strength
• Assembled in the USA
• 8620 Alloy Carrier
• 1 Year Warranty Against Manufacturer Defects
• Sold As Each

Fits Vehicles:

• Ford Bronco (1983 - 1996)
• Ford Crown Victoria (1983 - 2011)
• Ford E-100 1/2 Ton (1983 - 1983)
• Ford E-150 1/2 Ton (1983 - 2014)
• Ford E-250 3/4 Ton (1983 - 1998)
• Ford Expedition (1997 - 2014)
• Ford Explorer (1991 - 2001)
• Ford Explorer Sport Trac (2001 - 2010)
• Ford F-150 1/2 Ton (1983 - 2017)
• Ford F-150 Raptor Edition (2010 - 2015)
• Ford Fairmont (1978 - 1983)
• Ford Granada (1979 - 1982)
• Ford LTD (1979 - 1991)
• Ford Mustang (1979 - 2014)
• Ford Ranger (1990 - 2011)
• Ford Thunderbird (1987 - 1988)
• Lincoln Aviator (2003 - 2005)
• Lincoln Continental (1979 - 2000)
• Lincoln Mark LT (2006 - 2008)
• Lincoln Mark VI (1980 - 1983)
• Lincoln Mark Vll (1984 - 1992)
• Lincoln Navigator (1998 - 2014)
• Lincoln Town Car (1981 - 2011)
• Mazda B3000 (1994 - 2008)
• Mazda B4000 (1994 - 2007)
• Mazda Navajo (1991 - 1994)
• Mercury Capri (1979 - 1986)
• Mercury Cougar (1979 - 1988)
• Mercury Grand Marquis (1975 - 2011)
• Mercury Marauder (2003 - 2004)
• Mercury Mountaineer (1997 - 2010)