These kits include everything needed to assemble a live axle to your frame. The bearing hangers are designed to accept the three hole bearing flangettes. Will work with all Azusa axles. For very long axles, an additional bearing and hanger may be needed. These kits include: 2 bearings, 2 bearing hangers, 4 three hole flangettes, 6 bolts w/locknuts, and two 3/4" axle locknuts.