My Son put a 2 1/2" lift on his JK and has 33" DuraTracks on it with no clearance issues. It had 31" tires from the factory. (07 JK Sahara with Dana 44 and 4:10 gears) The 4:10 gears handle the 33" tires ok. I have driven it on the highway and off-road and it does well. It still is good as a DD...