3" Leveling Lift Kit
with a 2.5" kit and stock wheels you can run 35/12.50 max. so anything below that size will be fine. some people decide to stick with a 33" tire for gas mileage reasons but 35's sure do look good tucked under there but it will effect your gas mileage
these r the tires that i am thinkin bout getting http://www.tirerack.com/tires/tires....n+T%2FA+KM
Here is what the 255/75/17 looks like on a leveled truck. Your actual vehicle speed will be 67 when your speedometer reads 65. Your actual vehicle speed will be 65 when your vehicle reads 63. 



