There are Cobra R rims on
www.summitracing.com
Look in the 'wheels' section, then in the 'ford racing' category. They have regular and chrome wheels, some of which are in a 4-bolt pattern. I'm pretty sure the offset is wrong for the contour.
here, this is one:
http://store.summitracing.com/partdetail.asp?part=34983
