GM 7.5 10-Bolt Gears - 4.10 / 4.11 & Bearing Kit. BRAND NEW GM 7.5 10-Bolt Ring & Pinion & Master Bearing/Installaton Kit Ratio : 4.10 / 4.11 Premium Quality Gear Manufactured with 8620 Heat-Treated Material Bearing kit included by default is for the 82-99 Rearends. The item "CHEVY GM 7.5 10-Bolt Gears 4.10 4.11 Ratio & Master Bearing / Installation Kit" is in sale since Tuesday, July 25, 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.