Richmond Gear

Richmond Gear is the leading manufacturer of professional-quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods.  

Yukon Grizzly Locker

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! 

*Mechanical lockers may be to noisy and aggressive for some street driven vehicles.

Master Install Kit

Premium master install kit uses only the highest quality components including Koyo brand bearings. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush collar (if applicable), threadlock, marking compound, brush, and gasket or RTV silicone.

Application: 2009-2013 GM 8.6" Rearend

Rear Cover Bolts: 10

Pinion Splines: 30

Axle Spline: 30

Package Includes       

1- GM 8.5" Richmond Ring and Pinion set

1- GM 8.5" Yukon Grizzly locker

1- GM 8.6" Master install kit