I went with Kings, and kept the tires at 265/70R17 (32") you can go up to a 285, but you may need to trim some plastic, and add spacers. Anything bigger is a major chop job.
Depending on mileage you will need to look at the front suspension and check LCA and UCA bushings. At higher mileage rubber starts to deteriorate. That will dictate what needs to changed up front. I would get rid of the running boards right away, and get some good tires. Do the lift and...
I have E rated 265/70R17 E rated KO2s. So far 10K miles on them through a variety of on road, and off road adventures. I air down 15-20 PSI off road, and run 35 on tarmac. Tough sidewalls, and they protect the wheels from curbs very well.
