73-87 Modular Drop Spindle Disc Brake Conversion Kit. Complete Kit Includes 2.5" Drop Modular Spindles, 12" Rotors, Calipers W/Brake Pads, Rubber Brake Hoses, Banjo Bolts, Mounting Brackets Wheel Bearings, Seals & All Necessary Hardware. 5 Lug =(5 On 5” Bolt Pattern)