Differences in A Body brake systems

Everything is different other than lower control arms and sway bar tabs.
'73 and newer had bbp and 1/2'' studs.
'72 and older had sbp, and 7/16'' studs. (Kelsey/Hayes 2 piston calipers)
Master cylinders were different as well as the brake booster.
Sway bars were different as well as other steering and suspension parts.