This is a Traxxas Aluminum Center Differential Housing with X-Ring Gaskets, Ring Gear Gasket, and Hardware.
Includes: 1x Center Diff Housing 2x X-Ring Gaskets 1x Ring Gear Gasket 2x Bushings 2x 5x10x0.5mm PTFE-Coated Washers 4x 2.5x8 CCS