Fitment: 2002-2009 Chevrolet Trailblazer 2WD 4WD 2002-2009 GMC Envoy 2WD 4WD **Does Not Work With Air Suspensions Specifications: Color:Black Lift Height:3" Front & 1.5" Rear Placement on Vehicle:Front, Rear, Left, Right Material:T6 Billet Aluminum & High-Strength Steel What is a leveling kit? The purpose of a leveling kit is to raise the front end of a truck so that it matches the stock height of the rear end, which ultimately gives you more ground clearance. Most completely stock trucks have a raked stance where the front is lower than the back by about two inches. Description: .