UCF10 Wheel Fitment--Need More Info!!

So ive been doing quite a bit of research on the interwebs to find what may fit just right on a UCF10. I'll be running a set of BC Extreme Drop's with 20k/18k rates. I've got a few wheel setups in mind but I need some input on what people have run to help me out better. I'm wanting to do an 18x9.5 +12 and 18x10.5 +15 but ive also thought about the 18x10.5 +0 for the rear. Is the 10.5 +0 too wide to squeeze in? im planning on doing roll/pull/camber and running a tire size of 215/40 front and 225/40 rear. if anyone has some input or pictures on this I would greatly appreciate it. sorry if im rambling on haha. thanks guys.

your first set of specs is better imo. 10.5 +0  will probaby fit but it will be aggressive and parts for the 10 are limited so it usually ends up in bad fitment and fucked up fenders.

now my next question is, do you think the 18's will look too small on this platform? I know the UCF20+ fit pretty big wheels, but im trying to find something that will look right with being pretty low, and not to overbearing. so the main question is, 18's or 19's?

i prefer 18s but it's a personal preferance. do what you want.