The Beck/Avanti Lister is based on the C4 Corvette.
Another possibility is the Cobra that Vettestr builds. I know that he does a C3 based Cobra but he had plans to do a C4 based one but I have not seen any update on his web so it may not be quite ready yet. His web is at
http://www.cobrasnvettes.com/index.html.
I think that there are a couple of others but I can't think of them off the top of my head. Maybe search this web a little more if oyu don't get any more responses.
Alan