you should end up with 7 lines total , 2 from the master cylinder to the proportioning valve , you may want to look at the Wilwood 5 line adjustable unit , 3 out from the proportioning valve , 1 to left front , 1 to right front & 1 to the rear , then you have the flex hose to the diff & 2 lines across the diff .
260- 1179 is the part # for the wilwood prop valve