I've been working on Japanese cars for over 25 years (I'm 30), I can source parts directly from Jesse Streeter (who lives in Japan) and partsouq (UAE).
Don't believe everything people say.
ROTA copies? https://www.ozzytyres.com.au/wheels/hussla-gt-18x8-5-4x114-gloss-black-machine-lip-wheel
Apparently they're 5x114.3 so you should be fine. How much are they? $500?