Proportion valve

you can use the same upper A arms,,, you willl need a disc/drum master,,weather you go manual or power,, i use a manual set up ,,stock 76 dart rotors/calipers and manual master,,i use to use just a store bought rebuilt master,,iron,,,worked great,,now i use the mopar performance master cyl,,15/16 bore manual,,,stock dart rotors and calipers,,still,,no porpotioning valve,,,,only an adjustable on the rear,,car stops on a dime,,,,BORE SIZE MATTERS,,,,,,,,,,,