rear end

hey guys those 18x8 rims i was going to get unfortunatly wouldnt work even though they are blank the center was not big enough to drill the 6 lug so i am swapping the rear to a yota. the guy i am getting the rear end from has a 85 and a 91 rear end i know the 85 is narrower than the 91 but both are narrower than the mazda one. they are both the same price which one will be best for me to get?

Anyone know wth the 85 do I have to run wheel spacers so the tire wont rub the frame? Or will I have less problems with a little wider 91. Im new to this

unsure, but i'm sure a measuring tape is easier to find than waiting someone to answer... i would always rather find out myself

Yea ill measure it I just wanted to see if anyone has had issues with the shorter 85 rear