Yukon Gear Grizzly Locker For GM & Chrysler 11.5in w/ 30 Spline Axles

The Yukon Grizzly Locker is the ultimate in locking differentials for street; off-road;/drag racing. Grizzly Lockers provide 100% power to both tires; while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor; up to $2;000!This Part Fits: Year Make Model Submodel 2004-2013 Chevrolet Express 3500 Base 2004-2013 Chevrolet Express 3500 LS 2006-2013 Chevrolet Express 3500 LT 2001-2004 Chevrolet Silverado 2500 Base 2001-2004 Chevrolet Silverado 2500 LS 2001-2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2001-2005 Chevrolet Silverado 2500 HD Base 2015 Chevrolet Silverado 250