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 10.25 inch and 10.5 inch rear with 35 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 E-250 3/4 Ton (1985 - 2015)
• Ford E-350 1 Ton (1985 - 2015)
• Ford E-450 (2000 - 2015)
• Ford E-550 (2002 - 2003)
• Ford Excursion (2000 - 2005)
• Ford F-150 1/2 Ton (2000 - 2013)
• Ford F-250 3/4 Ton (1985 - 1999)
• Ford F-250 Super Duty 3/4 Ton (1997 - 2015)
• Ford F-350 1 Ton (1985 - 1997)
• Ford F-350 Super Duty 1 Ton (1997 - 2015)