GM 7.5 10-Bolt Gears - 3.73 & Bearing Kit. BRAND NEW GM 7.5 10-Bolt Ring & Pinion (THICK) & Master Bearing/Installaton Kit Ratio : 3.73 (THICK) Fits 3.08 & Numerically Lower Carriers 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 3.73 Thick & Master Bearing / Installation Kit NEW" is in sale since Sunday, April 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.