it's a Jeep with mud terrains , not a car.
if you're running those at 27-30 psi and driving 75% or more freeway miles on
OEM balljoints and some other components , plus you've not rotated them in (hopefully ) a five tire rotation at least twice by your mileage , I'd say you're looking at an adequate handling characteristic and wear pattern on those considering ....you'll have to upgrAde to appropriate shocks and many possible joints and maybe components until they are capable of highway speed wear that is better than that . the rotating is key and if you wheel and lose any of the balancing weighs stuck on inside of the wheel , you'll get the shimmies ....heck , my 35s I used to run (STTs ) used to get funky jittery if I was 3 psi over 27 above 80mph...they can be that finicky...plus, I don't know a lot about the Khumo Roadmaster MT but can tell you that big old MTs all wear slightly different and have wear pattern tendencies that are unique to the tire tread pattern .... I'd be willing to bet others with same tire have had similar wear if they were neglected and in a similar configuration / weight JKU ....
Hope you haven't fouled them but from pix , they don't look that crazy to me ...it's a mid-range MT on a primarily street driven Jeep....not car .....if you follow other members suggestions and get them properly balanced anew , road forced if an option , make sure to just rotate with each oil change / 3000 and keep them at optimal psi , and you'll notice better wear , mate
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Last edited by j3ff3ry_j33p; 05-17-2015 at 05:20 PM.