Moser Engineering 9" FORD SETUP KIT-3.062 CASE 10HOLE have everything you need to complete a ring gear installation. The kits include differential bearings (cups and cones), pinion bearings (cups and cones), pilot bearing, pinion support shims, adjustable pinion collar, pinion seal, pinion nut, o-rings for Ford housing or rear cover gasket, gear marking compound, and ring gear bolts