DII stock wheels are 16x8. You can put a 16x7 wheel on; my logic is that then I would have a hard time running wider tires on 33"+ers.
Im sure its fine for whatever you want to use.....I want to eventually run 35s....eventually. Though, by then I may just get beadlock wheels....they arent illegal if you dont get caught

Could always go with that staun inner-beadlock too.