Liftcraft - 2007-2018 Silverado Sierra Lift Kit 2 Inch Front Lift 6061T6 Billet Strut Spacers 2WD 4WD | Leveling Kit (2PC Black) LIFT: 2 inch front lift over stock FITMENT: 2007 - 2018 Chevrolet Silverado 1500 2WD + 4WD and 2007 - 2018 GMC Sierra 1500 1500 2WD + 4WD | 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: Aluminum 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 2007 - 2018 Silverado 1500 2007 - 2018 Sierra 1500 The kit will only fit 6-lug models Please note that the lift size does not equal the spacer thickness (which will be smaller), but once the installation is complete, the spacers will lift the full amount as advertised.