TC7.2 Gear Diff Rebuild Kit #31782 contents: qty 1 Gear Diff Case O-Ring qty 4 Diff T-Nut Washers qty 2 Shims, [5mm x 12mm x 0.2mm] qty 2 O-Rings [4.9x1.9mm] qty 2 O-Rings [4.9x1.9mm]