Yes it may wear the ball joints more, but the question is will it be noticably sooner??? Doubtfull. Maybe a few 1000k sooner than you normally would have to replace them, but IMO nothing majorly noticable to stop you from running them to prevent tire rub. Just my .o2


03 Montero XLS, OME 2"suspension lift,Full skid plates, Extended Diff/transfer breathers. 34 LTB's, Winch w/syn rope, Locked front/rear.