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 GM and Chrysler 11.5 inch with 30 spline axles
• Patented internal design reduces common locker failures
• 8620 internals for added strength
• 8620 Alloy Carrier
• Assembled in the USA
• 1 Year Warranty Against Manufacturer Defects
• Sold As Each

Fits Vehicles:

• Chevrolet Silverado 2500 3/4 Ton (2001 - 2015)
• Chevrolet Silverado 3500 1 Ton (2001 - 2015)
• Chevrolet Silverado HD 2500 3/4 Ton (2001 - 2015)
• Chevrolet Silverado HD 3500 1 Ton (2001 - 2015)
• Dodge Power Wagon (2014 - 2014)
• Dodge Ram 2500 3/4 Ton (2003 - 2013)
• Dodge Ram 3500 1 Ton (2003 - 2016)
• Dodge Ram Van 2500 3/4 Ton (2003 - 2003)
• GMC Sierra 2500 3/4 Ton (2001 - 2015)
• GMC Sierra 2500 HD 3/4 Ton (2001 - 2015)
• GMC Sierra 3500 1 Ton (2001 - 2015)
• GMC Sierra 3500 HD 1 Ton (2001 - 2015)