These are 5 new BFG KM2's I ran them for 3000 miles then did a rotation but forgot to include the spare. So, another 3000 miles on the 4 before the spare got thrown into the rotation. It very well could be the issue, and I plan on checking everything else too. Thank you.

2000 Montero, ARB bumper, TJM snorkle, OME suspension, Maggiolina Extreme RTT, BFG KM2's 33/10.5/15. ARB fr/rear lockers, 3.15 transfer case.