Lucky for you this M6G old timer still checks in. I had these on my car for years and really enjoyed them. A couple years back, I broke down and replaced them with BMR jacking rails. I like those too, but in essence they serve the same purpose, yet weigh more. The rails may be a touch...
I have a pair of 1/8" (3.175mm) spacers I bought from CJP and fit up, but never installed. If they are of interest to you, I'd sell them. They are 5x114.3 with a thru hole as the vehicle's hub rings extend through them into the wheel to keep it hub-centric.
CJP still sells these, here's the...
We really enjoyed the show! It was bigger than I thought. So much to see. Without knowing people's row numbers I'm not sure if I saw your cars. So many nice cars there.