When its time to overhaul your worn-out trailing arm assemblies give us a call! We can rebuild your assemblies or exchange them. All units include new bearings and races, seals, castle nut and washer, handbrake cable guide, stainless steel hardware kits, reconditioned backing shield, and GM front T-Arm bushing kit. All bearings are set to factory specs. Wheel bearings are packed with special high temperature grease. Covered by a 3 year warranty.