I have 4 new center caps but unfortunately 1 has a ding in it and scratches. It looks like someone installed it and caught and edge. I also have 2 used caps. One of the used has a ding as well. Part # 605-5083 they are 3.175 in diameter. The can be used on Weld Prostar, Draglites and rodlites....... Six caps total in sale $53 shipped in the lower 48 US states. They are in 60586 Plainfield , IL