Ditto on the center hole. If you have access to a mill you can mill the centers out (what I had done to mine). Also note that the offset on Ford Bronco 7.5" wides will cause 31x10.50's to rub on back end of the front wheel well even with 2" UPYOURKIA spacers and a 1.4" body lift. I needed to bash the seam and roll the bottom of fender by the seam. Don't know about the front cause I don't have a stock bumper.
TreadWright tires are really awesome, but next time I'll get the green diamond to see if they wear better.
Good Luck,
Everet <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />