Easily build your own axle with this 3,500 lb rated* hub assembly (*rated as a pair). This kit includes (1) - 5-Bolt on 4-1/2 inch bolt center hubs for 3,500 lb axles, (1) - 1-3/8" to 1-1/16" tapered spindles, (1) castle nuts, (1) cotter pins, (5) 1/2-20 lug nuts, (1) 2.561" O.D - 1.719" I.D grease seals, (1) L-44649 1-1/16" I.D bearings, (1) L-68149 1-3/8" bearings, (1) spindle washer, and (1) 1.986 O.D - 1.16" depth, dust cap. PLEASE NOTE: Fabricating an axle requires the proper equipment needed to apply a weld. If you are uncomfortable with your welding capabilities, this project should be handled by a qualified welder.