Sunstate Mustang Supply has been in business since the 1980s. If you own a classic Mustang, then you likely already know about this place. If not, you should. The store carries a large selection of parts, paint, electronics, dashboard pieces, hoses, latches, screws and more. Any part can most likely be ordered, if it's not already in stock. If you're looking to buy a classic Mustang, there's a bulletin board that posts cars for sale.