I'm just throwing this out there in case anybody knows.
I have a set of 18" SSR GT-1 wheels that I am planning to order tires for to put on my RX-8. I haven't tried to test mount them yet but does anyone know if there are any fitment issues? My car is at stock height and not lowered. Also this is the first time to re-tire for me, so does anyone have any recomendations for all-season tires on their 8? Thanks in advance.

Width and offset?!?

I have a staggered set. Front is18x7.5 Rear is 18x9. I'm not quite sure about offset but I think they are +40

i don't think you're gonna have any issues with tire fitment

go with 225/45 front and a 255/40 rear