Man I do not know. I vaguely remember them being 14 x 7 or 6.5. I am pretty sure they were 14. I am sure you would want to run 15 or bigger.
Also, here is an interesting repro but has deep backspace 5.9" and requires machining the center register out slightly to the proper diameter to fit front mopar hub (maybe rear hub register too). A bit of research required to make these work. Upside is 18 inch by 9 aluminum and the price. 144$ each.
