Ford 8.8" Rear Posi Package 3.73 Gear Set and Master Bearing Kit 2014 & Earlier
Kit Includes, Brand New OEM Ford Trac-Loc Posi Unit 31 Spline, USA Standard Ring and Pinion 3.73 and a Koyo Master Bearing Install Kit with Koyo Differential & Pinion Bearings/Races, Axle Seals & Bearings, Crush Sleeve, Gasket, Pinion Shims, New Ring Gear Bolts, Pinion Seal, Pinion Nut, Loctite, Gear Marking Compound and Brush. We also include one bottle of Spicer Friction Modifier Posi additive for this install.