Though Empire is correct on the cost of it in the end. But buying it from one of those companies is almost always a lot more than if you found someone to ship it for you from the location. I would just grab another nissan and do a rb26dett swap.

Can't open the site from my computer right now for some reason, but the main URL is - www.nhtsa.gov/cars/rules/import/

Then, the list of non-conforming vehicles eligible for import.. Or something like that, it's been a long while since I gave up on importing one.