Didn't the optional H.D. brake package include 11x2 or 11x3 rear drum brakes depending on which body style you ordered them on? work
i have one set of 11x3 with fin drums that I'm planning on using on the cut down truck Dana 60 for my 1963 Fury wrench

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)