GM 8.5 10-Bolt Gears - 4.10 / 4.11 & Bearing Kit. BRAND NEW GM 8.5 10-Bolt Ring & Pinion & Master Bearing/Installaton Kit Ratio : 4.10 / 4.11 Premium Quality Gear Manufactured with 8620 Heat-Treated Material Master Bearing/Installation Kit Includes : Carrier Bearings/Races, Pinion Bearings/Races, Pinion Seal, Pinion Nut, Pinion Shims, Crush Sleeve, Carrier Shims, Ring Gear Bolts, Gasket, Marking Compound, Brush & Lock-Tite HD Bearings for Eaton/Auburn Posi Units Available Upon Request for no additional charge.The item "CHEVY GM 8.5 10-Bolt Gears 4.10 / 4.11 Ratio & Master Bearing / Install Kit NEW" is in sale since Wednesday, August 16, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Transmission & Drivetrain\Differentials & Parts". The seller is "staticz2229" and is located in Ames, Iowa. This item can be shipped worldwide.