4" Bolt pattern steel wheels in 15"

Looking for a pair of steel 15" wheels that will fit the back of a 72 Dart....Must be 4" bolt pattern. Car has a stock 8.75 rear. Not sure how wide or what back spacing would fit but something about 7"s wide would do nicely. Would also consider a set of 4 / PM price and shipping to 23093. Thanks in advance.