This is a new rear differential & axle bearing and seal kit for the 1988-2000 Honda TRX 300 Fourtrax FW ATV Four-Wheelers. Unlike other kits available that only include the differential bearings and seals, our kit includes these as well as the brake backing plate axle bearing and seal, the backing plate o-ring and the drum cover axle seal. This kit includes one left differential bearing, one right differential bearing, two pinion bearings, one brake panel bearing, one right and left differential seal, one pinion seal, one break panel seal and one brake cover seal. You should always replace the seals to protect the bearings from dirt and other contaminants any time that you replace the bearings. This is a complete kit to do it right the first time. If you need the front bearings and seals, we offer these in our storefront, so be sure to take a look. These parts are of OE quality or better at a fraction of the OE price. SAVE MONEY by buying these together in a set.