This Oil Filler Cap is machined from 6061-T6 billet aluminum. It uses the stock o-ring and is available in orange anodized finish.
Yes, they look great! Also know that Fully Machined parts perform better than castings or molded plastic. There are no Mold marks or seams along O-ring seal surfaces, that cause oil leaks. And Milled Aluminum will not shatter or warp like Plastic.