i have an 05 fx4 screw and i want to get a 2.5" leveling kit. i plan on putting 20"x8.5" Konig Coastals and 33x13.50xr20 irok radials on my truck. The wheels have a +35 offset which i have no idea what it means (if anyone could tell me that would be nice) i can't find out what the backspacing is unless that is the offset. thanks for you help

 

I am not an expert by any means but have been doing allot of research for my own rims and tires. I don't think they will fit.

The factory backspace is 5.5, the rims you mentioned figure 6.1, even with a 4" lift they only reccomend 6.0 as max. Then when you put a 13.50 inch wide tire on, I don't think it will clear the A arms.

Like I said, I'm by no means an expert and if I am wrong I apologize, but it seems like you will be trying to stuff allot of tire, deep into the wheel well.

Good luck.

 

If the wheels have 6.1 inches of backspacing, the 33's should fit.