This 4" Rough Country lift includes lifted knuckles, differential drop brackets, front & rear drop crossmembers, skid plate, sway bar links, CV spacers and non-torsion bar drop brackets along with 5" rear blocks and u-bolts. Axles maintain factory position and angle. No drivetrain or exhaust modicification is required. Designed to re-use factory compression travel stop. Also included are Rough Country Premium N2.0 shocks. Frame bracket modification and torsion bar unloading tool are required for installation. If equipped with factory 17" wheels, then 17" or larger aftermarket wheels must be used.