Easily installs 11″ rotors and ’78-up GM “Metric” calipers to your ’37-’48 Ford passenger car, Includes new rotors and semi-metallic pads, new bearings and seals, new caliper bolts and calipers, along with caliper mounting brackets, bushings, hardware, and hoses, Ford 5 x 4-1/2 inch bolt pattern rotor with 2.78-inch hub OD, The one piece forged spindle design constructed of high strength 4140 steel makes these spindles far superior to original components, Come with king pin bushings installed and fit to the kingpins for a quick and easy bolt on installation.