Need Help on 07 Yukon Wheel/Tire Sizing!

[FadedSS]

Hey guys, I have an 07 Yukon 4x4 slt with a CCM leveling kit (2.5†front 1†rear). I am looking to put some 20†x 8.5 KMC Rockstar wheels (Offset +10, Backspacing 5.14â€) on it.

What is the biggest size tire I can stuff under there? 305 55 20?

Thanks in advance!

 

[FadedSS]

anybody have pics of their leveling kit and 33" tires?

 

[mikeb33]

I have 305-50/20s on my stock height Denali. I had a slight rub in the rear when turning hard or turning and going over bumps, curbs. An Eibach rear sway bar installed and I never heard it again.
The front has a slight rub at full turn lock, which is usually at very slow speeds, like parking. Not an issue. If you lift it, you will likely not even have these issues.