The film industry greased the palms of those who count.
If your friend is prepared to have input into the Cobra and do some of the building he may consider just bringing the body and bare chassis in.
The chassis could then be engineered and the rest of the build done as compliant with the engineer requirements and the Australian Design Rules.
Some of whose requirements are above.
It would be worth talking to both the Kirkhams and their agent Hawk in the United Kingdom to see where the better exchange rate is and the easier import option exist.
Keep reading as the Kirkhams will enter this Aussie forum.
Cheers
Bernie