Disk brake conversion

I know a guy with a 1976 Plymouth valiant 4Dr with front BBp disk brakes will this fit a 1973 /6 duster if so do I need the upper/lower control arms of the disk brake car.

Ps: the 76 car is a 4Dr /6
You,ll need just the UCA,spindles,calipers and rotors(if good?)and the proportioning valve.You could also use the master cylinder if good.