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1999-2008 GM 8.6" Ring & Pinion Grizzly Locker USA Gear Pkg

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ZG GM8.5-YGLGM8.5-30-WK GM8.6
53.00 LBS
Calculated at checkout
* Gear Ratio:

Product Description

USA Standard Gear

USA Standard ring & pinion sets are the right choice when price is a factor and quality is essential. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a lower cost alternative to other manufacturers when price must be kept low. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.  

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: 1999-2008 GM 8.6" Rearend

Rear Cover Bolts: 10

Pinion Splines: 30

Axle Spline: 30

Package Includes       

1- GM 8.5" USA Standard Ring and Pinion set

1- GM 8.5" Yukon Grizzly locker

1- GM 8.6" Master install kit                  

Product Videos

Yukon Unboxing - The Grizzly Locker (02:00)
The Grizzly Locker is a high performance mechanical locking differential. Learn more about how this aggressive traction unit functions, and what you'll receive when ordering in this unboxing video.
  • Yukon Unboxing...
    The Grizzly Locker is a high performance mechanical locking di...

Warranty Information

1 Year Manufacturer's Warranty

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