If you are sticking with the stock wheels I would recommend looking at two sizes. The 235/70R16 may be a good choice. These are about 1" taller than the stock tires and about .75" wider. With your lift these should bolt up without any issues. If you want to push the limits you may be able to run a 225/75R16. This size is about 1.6" taller and about 1.2" wider. This size may require a little fender liner modification to clear in the front when turning.
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not sure exactly yet...but going with either BFG's.... General Grabber or Yokohama...cant remember the Model but all these are aggressive tread tires...not all out mudders but something with some nice tread...but size will be 225/75r16 as long as it will clear...but i dont mind beating in the wheel well a bit to make it fit.