My XJ is a DD, about 40 miles a day for work. I have 31-10.50 Trxus MT's on 15x8 Rockcrawler steel wheels(3.75b/s). I have about 15-20,000 miles on them, and they look to be good to go another 15-20,000. They were $950 for 5, shipped, mounted, balanced, with lugs and center caps from NTW...