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 10.5 inch 14 bolt truck with 30 spline axles
• Installs into standard open carrier
• 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

Technical Notes:

• This unit installs into a bare factory open case
• This unit does Not use the factory thrust washers
• Failure to remove the factory thrust washers will cause the unit to act improperly and can cause damage to the unit

Fits Vehicles:

• Chevrolet Avalanche 2500 (2002 - 2006)
• Chevrolet C20 3/4 Ton (2WD) (1973 - 1988)
• Chevrolet C2500 3/4 Ton (2WD) (1989 - 2000)
• Chevrolet C30 1Ton (2WD) (1973 - 1988)
• Chevrolet C3500 (1989 - 2002)
• Chevrolet Express Van 2500 3/4 Ton (1996 - 2015)
• Chevrolet Express Van 3500 1 Ton (1996 - 2015)
• Chevrolet Express Van 4500 (2009 - 2015)
• Chevrolet G20 3/4 Ton (1975 - 1995)
• Chevrolet G30 1 Ton (1979 - 1996)
• Chevrolet K20/K2500 3/4 Ton (4WD) (1973 - 2000)
• Chevrolet K30/K3500 1 Ton (4WD) (1972 - 2000)
• Chevrolet P30 1 Ton Van (1997 - 2005)
• Chevrolet P3500 (1997 - 1999)
• Chevrolet Silverado 2500 3/4 Ton (1999 - 2015)
• Chevrolet Silverado HD 2500 3/4 Ton (1999 - 2015)
• Chevrolet Silverado HD 3500 1 Ton (2001 - 2013)
• Chevrolet Suburban 3/4 Ton (1973 - 2015)
• GMC C25/C2500 3/4 Ton (2WD) (1973 - 2000)
• GMC C35/C3500 1 Ton (2WD) (1973 - 2002)
• GMC G15/G1500 1/2 Ton (1981 - 1987)
• GMC G35/G3500 1 Ton (1979 - 1996)
• GMC K25/K2500 3/4 Ton (4WD) (1966 - 2000)
• GMC K35/K3500 1 Ton (4WD) (1977 - 2000)
• GMC Savana 2500 3/4 Ton (1996 - 2015)
• GMC Savana 3500 1 Ton (1996 - 2015)
• GMC Savanna 4500 (2009 - 2015)
• GMC Sierra 2500 3/4 Ton (1999 - 2015)
• GMC Sierra 2500 HD 3/4 Ton (1999 - 2015)
• GMC Suburban 3/4 Ton (1973 - 2000)
• GMC Yukon 2500 3/4 Ton (1992 - 2015)
• GMC Yukon XL 2500 3/4 Ton (2006 - 2015)