Master Install Kit | Front | Dana 30 | Jeep Cherokee XJ/Wrangler TJ/Wrangler Unlimited (97-06) Install your Rough Country Gears easily and accurately with Rough Country 's Master Overhaul Installation Kit. This all-inclusive install kit features everything you need to easily install your new ring & pinion gears with confidence. Rough Country 's Master Install kit saves you the time and hassle of tracking down the components you need to install a new ring and pinion into your differential. This install kit makes it easy to install the correct shim amount, and mark up the gears for a perfect mesh. This kit includes a set of carrier bearings and races, pinion bearings and races, pinion seal, ring gear bolts, deluxe shim kit, pinion nut, crush sleeve (select models) oil baffle and slingers (select models), thread locking compound, marking compound, brush and gasket sealing compound. 53000013