Ultima Sports Ltd - The Factory! Official Website for the Ultima GTR and Ultima Can-Am... and now of the EVOLUTION...

American Speed - The official power behind the wheels!

PistonHeads - Forum dedicated to all things Ultima

AutoBionics - Manufacturer of all sorts of Ultima (and other brand) goodies. From full engine/exhaust/transmission setups, to custom made interior, exterior, electrical and metal fabrications.

CJ's Can-Am site - One of the best build sites to learn from.. Thanks CJ!

CJ's GTR site - Again, one of the best build sites...