This is my go to site for tire size checking
Tiresize.com
I run 285/ 70 / r17s which are essentially 32.7ish x 11.2
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In this pick I have a 1.5 teraflex basic leveling kit. Tomorrow I'm installing the teraflex 2.5 spring kit with the vss shocks.. unless I get rained out.
One thing to remember when increasing the size of your tires you can create clearance issues with stock rims. These tires would physically not fit on the jeep with stock rims, I needed more back spacing. My buddy still picks on me about that.