I would go with the 94-95 spindles and brakes. When I first converted to 5 lug i just bought the rotors and with the newer mustang wheels there are fitment problems. Like Mustang5L5 said the center caps wont fit and it puts alot of extra stress on the studs, I had some break on me and almost...
Hey man it is your car so do what you want , you are the one that has to be happy with it. The only way to know for sure if they are legal is look into the laws in your state and town yourself.
I would say go ahead and just rewire the fog lights, as the factory wires are a little small and have been known to overheat or even cause fires. It is really not that hard to do, here is an article that I fornd very helpful.
fog light fix