Bar Pin End Bushing Kit for MACK Replaces # 4000-34013087L (w/o Shims)(520 Series)(Includes:(4)EM53740-002 Washers (2)EM53740-001 Hexbolts (2)FNU-5825 Locknuts & (1)EM53740-003 Bar Pin End Bushing (Non-Shim)