BA 300mm 504U
Calipers – AU2
Hubs – 5 stud 5 inch x ½ inch UNF made by increasing diameter of hub to make large pcd possible. Ford or Chev pcd use standard diameter.
For original riveted wheels need to go reversed rotor/hub design with rotor bolted in from back, cost $300 extra per kit.
Bearings – Cadillac as required