5 on 4 1/2" is your bolt pattern... 5 lug, and 4 1/2" from the edge of one stud to the center of one opposite of it.


Been a little while since I set up wheels for a B body, but from memory around 4 1/2 to 5 inch of back spacing was correct? If you search around a little it has been discussed before at least a bunch of times.