Revolution Gear and Axle Ring and Pinions are manufactured to be compatible with GM 8.5 and 8.6 Inch 10-Bolt Gear sets. Our GM 8.5/8.6 Ring and Pinions utilize the OE style 2-Cut/Face Hobbed gear cutting process producing the quietest 8.5 Inch gear available with optimal surface finish and contact patterns.

All Revolution gear sets are made from the highest quality steel and are precision heat treated to OEM specifications, making for the best aftermarket gears available. All Revolution Ring and Pinion sets are backed by an industry leading 2 Year Warranty against defects. Revolution Gear's precisely controlled manufacturing processes create a flawless setup, smooth operation and longer gear life. With products that have been Street, Off Road and Race proven, you can count on Revolution Gear & Axle products to be the most trusted in the aftermarket.

Popular bearing installation kits for this ring and pinion are listed below. Visit our eBay store and search the SKU for availability. Prefix 35- kits are Master Install Kits with Timken Bearings, K35- are Master Install Kits with Koyo Bearings, 25- are Mini Kits with no bearings.

• 35-2021 - Revolution Gear Fits GM 8.5" 10 Bolt Rear Master Install Kit
• 35-2022 - Revolution Gear Fits GM 8.6" GM 1999-08 Master Install Kit
• 35-2022A - Revolution Gear Fits GM 8.6" 2009 and Up Master Install Kit
• 35-2021F - Revolution Gear Fits GM 8.5" 10 Bolt 1977-91 Front Master Install Kit
• 35-2021L - Revolution Gear Fits GM 8.5" 10 Bolt Rear(For Eaton) Master Install Kit