1991 6 Bolt C2500 bolt pattern?

[b454rat]

I always get offset confused. The wheels are 6" wide, and offset is like 5.5" to the inside, meaning most of the wheel is tucked to the inside. I think the wheels are the same as a 4wd, but never owned one like yours. If your looking for aftermarket wheels, I'd think ones for a 4wd will work. I know the 15" rally's off the squares won't fit, they hit the caliper or ball joint, can't remember...