That truck seems to sit low for a 4" lift. I have a 4" Rancho and it sits a good bit higher.

 

Here is my new 2012 with 3" Pro Comp leveling kit & 2.5" rear block, BFG Rugged Terrian T/A's 275/65/20=34.1"

Im trying to decide on if I want more Meaty look with 17" and BFG Km2's,or stick with the 20" and I want the to be level with my Bushwacker flares