64-66 Mustang/Falcon & 75-80 Grenada/Monarch use the same 5 bolt pattern and spring perch spacing as the A-body. Supposedly, 64-65 Comets would work, but I can't verify it. These cars had 8.8 as well as 9" rear gears. Some of the early I-6 cars had four bolt wheels, so don't get giddy until you check it out.
The "brass ring" of these rears is the 77-80 Lincoln Versailles. Not only do they have the right bolt pattern and spring perch spacing, but they also had disk brakes. Production numbers are very small, so good luck finding one.