Use 37x13.50R20 tires w/ 20x10 wheels w/ 4 1/2 inch Backspace.
Front Lift: Radius arms and Coil springs;Rear Lift: Lift Blocks w/ U to bolts and Add to A to Leaf;Includes: Sway bar drop brackets, bump stop extensions, trac bar relocation bracket and more;Steering Correction: Pitman Arm;California Residents: WARNING Front spring lift options includes 8 inch replacement Coil Springs.Completing this system is a Trac Bar relocation bracket, Pitman Arm, Sway Bar drops, rear add-a-leaf and a rear Block & U-bolt kit. Front driveline modification may be required to clear exhaust on gas motor models.