GREPSPUD 1 Set 5200 LBS 6000 LBS 6 Studs 5.5'' Bolt Circle Trailer Hub Kit · Fit for 5200 to 6000 lbs 1-1/4'' to 1-3/4'' #42 Tapered Axles/Spindles. · All parts are pre-installed, very easy to install compared to hubs that are not pre-installed. PACKAGE INCLUDE: 1 X 6 bolt 5.5'' Hubs, 1 X 15123 Outer Bearings (I.D: 1-1/4''), 1 X 25580 Inner Bearings (I.D: 1-3/4''), 6 X Lug Nuts (1/2''-20 thread), 1 X Metal Washers (I.D: 1"), 1 X Spindle Nuts (I.D: 1"), 1 X Grease Seals (22333TB, 2.25'' I.D, 3.376'' O.D), 1 X Cotter Pins (Length: 2.3"), 1 X Dust Caps (O.D: 2.44''), 1 X Dust Cap Rubber Plugs