This is a full set up kit to do the job right. It includes:
-Carrier bearings
-Pinion Bearings
-Pinion Nut
-Pinion Seal
-Crush Sleeve or preload shims
-Pinion Shims
-Loctite
-Marking Compound
-Adjustable Differential Shims
-Oil Slinger (Were applicable)
-Ring Gear Bolts (Most Kits)
**All bearings are Koyo or Timken both our the highest quality bearings on the market