7 1/4 2 piece brake line , how does it go on

Hey, yes theres a distribution block that, connects the two lines to each wheel cylinder, that distrubution block all connects the the rubber rear brake hose as well, it is held in buy a nut with a vent cap. here a link to the picture try autozone or oriellys Rear Axle Line Block 67-70 B 66-71 A Body | Roseville Moparts