Toyparts Industries in Australia made his wheels.
ToyParts Industries | Facebook
Unfortunately they only have a facebook page, so you could ask them through that about shipping over to the states. Otherwise they are pretty similar to Diamond Racing wheels that you guys have easy access to in the States.
I'll chuck a pic up of mine once im finished painting my new front bar and skirts. Might be making a splitter, barge boards for the skirts and a rear diffuser if I can be bothered.