OEM EZ Loader boat trailer replacement 6 lug oil bath hub kit for tapered spindle. 6 lugs with 5.5" bolt pattern, studs are 1 3/8" long. Kit includes inner and outer bearings, oil seal, oil cap, washer, nut, and cotter pin. The rear bearing, seal, wheel studs and races are already pressed in from the factory. This kit replaces grease hub kits for 15", 16" and 16.5" wheels 6-hole. PLEASE NOTE: This kit will not work with the Sure-Lube flow thru axles (all EZ Loader trailers made from 1990 thru 2001).