I have a 1973--1976 k--frame and i'm putting it in my 1969 valiant. I want to go to the big brakes with the 4 1/2 bolt pattern, I need a good set of spindels, I see Dr Diff is selling re-pop brackets for the calibers, what 11 3/4" rotors would you buy, i'd like to keep them made in america if...