To obtain an Import Approval you will require a Level 3 CAMS licence, which will allow you to import the vehicle and compete on the track (as the some of vehicles was sold in Australia it is otherwise ineligible for import). Once imported for race purposes, the vehicle can be B registered, allowing you to drive it on public roads only to and from events and for other legitimate purposes. A Level 3 licence is not all that difficult to obtain -- contact CAMS directly to find out more.