?the mechanic shop 2.5inch 63mm wheel center caps for dodge ram 1500 rim hub caps 6kf18trmaa, pack of 4 (gloss black, outer 63mm, inner 56mm, easy diy installation) outer 63.0mm , inner 55.5mm gloss black is up for auction in Automotive. This item is in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.