Fits the following Vehicles: 1999-2006 Chevy Silverado 1500 2WD 1999-2006 GMC Sierra 1500 2WD Description: Auto Part Position: Inner Material: Aluminum Included Components: Comes with housing Maximum Lifting Height: 2 Inches Package: 2 x Front Leveling Lift Kit Note:Please note that spacer thickness to lift height, not 1:1 ratio. The thickness of a 2 inch gasket is 2 inch, but the height after lifting is 2 inch. .