It's not an Extra 330, but an Extra 300. Carl Goldberg Extra 300 kit. [link]http://www.carlgoldbergproducts.com/extra300.htm[/link] . I've built one and it's a great flying airplane. And it's a good building kit too.

If you're looking for cowls and wheel pants for most of the kits I mentioned (if not all of them) here are some great sources for these:
[link=http://www.stansfibertech.com]Stan's Fiber Tech[/link]
[link=http://www.fiberglassspecialtiesinc.com]Fiberglass Specialties[/link]
[link=http://www.precision-fiberglass-prod.com]Precision Fiberglass Products[/link]

Check them out and see what they've got.

Hope this helps

Ken