Master Overhaul Kit 1997-2006 TJ Wrangler; 1990w/ Dana 35 Rear Axle; Includes Pinion & Differential Bearings, Crush Sleeve, Oil Seals, Cover Gasket, Axle Seals & Axle Bearings (No Shims); For 1989 and Prior, Use 3171166K & 83501451 (2 Kits) D35-MASKIT