backspacing question

[97yukon]

can anyone tell me if i get a 20x8.5 wheel with 5.225 backspacing will it be ok on the front without wheel spacers?

 

[bowtiefreak]

I think that is pretty tight but the larger diameter wheels may clear. I am no expert at big wheels though.

A stock wheels is what, 5"? I am running 4.5"BS on my 17s.