5x4.5 center hubs from a drum brake application

I currently have small bolt pattern.
I am looking for a pair of hubs that have the 5x4.5 pattern. I want to build a set of big brakes using modern Mustang brake rotors and calipers, and building brackets. I can track down the bearings and rear seal, and then make the brackets to allow the calipers to mount.

Does anyone have any B, E, C body drum hubs?