As long as it is simply the manufacturers ID plate [not an ADR compliance plate] then the law doesn't give a rats a*s*. The only thing that will be desirable is that the chassis number on the plate matches the one on the body.

If the engine number on the plate matches the engine in the car, then all the better but if an original car has had a standard [or otherwise] engine replacement, then these numbers won't match any more.

In the end, these plates are more for cosmetics these days then much else.

I would really like to get one for a KB10, so if this is possible then I would dearly like to hear from you via e-mail as I do not get on here very often.