1975 Plymouth valiant 4dr parting out

I'm not positive about that. Maybe someone else can answer that question. But I will do some research on that and get you an answer.
Yes disc brake setup will fit 66 dart MUST use disc brake upper control arm as it has a larger ball joint, the lower control arm does NOT need to be changed.
I am interested in quarter how much and how much to ship to 48048. I do not need inner wheel house or dogleg.