D120 - Brk Axle, TW= 80.25, 12 1/4x5, Air, Flg-***OIL HUBS***, 5.00 Tube, Std Bkts, No Air Chamb, 22.31 Cam, 28 Spline, Auto Slk, Strt, Tramec, 8-6.50 Hi-Pro, H-D, 5/8-18 Stud, Aluminum Bolton Fortress Cap, Sprg Seats,Ship Loose, 3.00 Wide, STD AIR CHAMBER ORIENTATION, Calculate hubface & spring c., Calculate Leaf Sp Capacity, Flg Whl Nuts, Extra Length Charge