If the maker was Northern Classic Trucks in Michigan you might also try Midwest Early Ford Store in Ohio, they bought out Northern's inventory. Here's their part: https://www.parts123.com/parts123/y...~S5WV17SKYM17482123066a~Z5Z5Z5~Z5Z5Z50000266a
Check with Michael at Third Gen Automotive Ph# 844-327-5988. He may know of a supplier or maybe can get them for you.