* BRAND NEW GM 8.5" 10-Bolt Ring & Pinion & Master Bearing/Installaton Kit * Premium Quality Gear - Ratio: 3.42* * 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 * Bearing kit is for stock carriers. HD Bearings for Aftermarket Eaton/Auburn Posi Units Available in other listing