1999-2008 GM 8.6" USA Ring and Pinion Duragrip LSD Pkg

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 Duragrip Posi LSD

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy-duty Yukon Dura Grip Posi traction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one-year warranty against defects. 

Recommended oil is standard 80/90 weight (non-synthetic) (with posi additive).

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, thread lock, marking compound, brush, and gasket or RTV silicone.

Application: 1999-2008 GM 8.6" Rearend (10 bolt cover)

Axle Spline: 30

Pinion Spline: 30

Package Includes:

1- GM 8.5" USA Standard Ring and Pinion set

1- GM 8.5" Yukon Duragrip Posi LSD

1- GM 8.6" Master install kit