Since Boss has gone out of business, many of the center caps needed for their wheels have sold out and they aren't making them any longer. For that reason, we designed the Ro Center Cap.
The Ro fits any wheel, regardless of style. It attaches to specialty lug nuts designed to hold our caps on. Just order based on your year/make/model.
Questions on the product call us at 616-330-6600. A2i Wheel and Tire is here to stop your search for center caps that no longer exist.