hey guys just a couple days ago i was driving and had to get hard on the brakes and when i did my pedal went to the floor, upon takin it home and inspecting it i found that it blew near the proportioning valve on the passenger rear across the frame and i plan on piecing it in on the other side in the wheel well across the frame but i was wondering what fitting goes into the proportioning valve and what other fittings would be needed to do a piece in job and also do all the fittings have to be a bubble flare fitting or can i just use a double flare fittings for the piece in? thanks!