Will mustang, bronco, ranger 8.8 fit?

Do you have drums or disc on the front? Would there be a problem with the rear wheels locking up due to more stopping power than the front possibly?( if you had drums on the front) I have drums on my conversion so I dont have an idea how discs would act. If it doesnt matter then I would go disc. I would rather do a disc brake job than a drum brake job any day.