Kit includes one OEM EZ Loader replacement oil bath cap. Cap will fit all EZ Loader Threaded 5-Lug Hubs and 6oz of 80W-90 premium hub oil. This kit includes enough oil to complete 2 wheel hubs. The cap includes O-Ring. Recommended Socket 2-3/8" 6-Point / 25-30ft. lbs. Dimensions: 2.125" OD @ Threads (2.125"-16Thread) Model Year: 2005-Current. These caps will not fit the 6-Lug hub