Hey Scott, thanks for reaching out!
It looks like we have a combination with the 20 MM Lug Nut # WMRMT9063 and the Lug Nut Cover # WMRMT9061 which will work if your wheels take 20 MM lug nuts, but aside from that that only thing we know is a custom fit for your motorhome are the Namsco Wheel Liners # NA226H40N, but these are whole liners so I don't think they include what you're needing. view full answer...