Application: (Please check your vehicle compatibility before buying) 1999-2007 Chevrolet Silverado 1500 4X4 4WD 1999-2007 GMC Sierra 1500 4X4 4WD 6 LUG MODELS WITH TORSION BAR SUSPENSION ONLY. WILL NOT FIT 2007 NEW BODY STYLE. Item Description: 100%New,Never Be Used Allows for Installation of Plus Sized Tires Proprietary Protective Coating to Prevent Oxidation, Corrosion & Rust Includes complete set of high-strength installation hardware Professional installation is highly recommended. No instruction included. What is a Leveling Kit? .
