Liftcraft - Siverado Sierra 1500 Leveling Kit 1.5 Inch 6061T6 Billet Bottom Strut Spacers 2WD 4WD (Quick Lift) LIFT: 1.5 inch front lift over stock FITMENT: 2007 - 2018 Chevrolet Silverado 2WD + 4WD and 2007 - 2018 GMC Sierra 2WD + 4WD Models | NOTE: Will only fit 6-lug models MATERIAL: Premium 6061T6 aircraft aluminum spacers with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a couple of hours to install; No modifications required CONTENTS: Bottom Strut spacers (2), Hardware and Detailed Instructions - Liftcraft suspension lift and leveling kits come with a lifetime guarantee and are the easiest, safest, and most affordable way to improve the look of your truck and run bigger tires