I have Azev-A on my car, - they look nothing like Robi's, but the company are very good
at producing the excact ET you want.
http://www.azev.de/I called them and told them all the measurements, and they drilled all the holes, and
shipped them to me - and it wasn't even expensive.
I know OZ makes something similar to Robi's, but their webpage is not very helpful.
BTW - Robi's and his stunningly looking car were featured in the Dutch online magazine Aktueel:
http://www.aktueel-online.nl/autofreak.php?id=106I'm sure you can guess your way through the dutch as I did :-)
/Lennart