I'll be needing new tires by the time I reach South Africa, so I am looking at options. I can't get the KO2s in 34x10.5r17 there.
(well, technically, they will still have lots of life by South Africa, but likely would then need replacement half way up the East Coast, where the chances of getting them is virtually nill. So I'm going to replace them in South Africa in anticipation of that.)
It probably won't be exact science but measure around the spots that might rub and see if you can clear the extra .7"
Your Jeep is what made me finally buy the Winter Wheels for mine: