Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses carrier bearings & races with an I.D. of 2.000 and an O.D. of 3.250. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and racespinion bearings and racespilot bearingpinion sealcrush sleeve (if applicable)oil baffles and slingers (if applicable)marking compound and brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring & pinion set.