The picture looks like it has a metal ring around the inner circle but it doesn't. Maybe it's just my computer monitor, but that's what I figured. Is that a metal screen/graphite gasket? Got it for my Chevy truck. If so, you know what I mean. My butt keeps blowing. My problem is most likely the Dorman tube that I replaced. I think my flanges are not perfectly parallel to each other. It's time to make your own seal.