Liftcraft - 2007-2018 Siverado Sierra 1500 Lift Leveling Kit 2 Inch 6061T6 Billet Bottom Strut Spacers 2WD 4WD LIFT: 2 inch front lift over stock FITMENT: 2007 - 2018 Chevrolet Silverado 6-lug 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 Avalanche, Silverado, Sierra, Yukon should be 6-lug models in order for this kit to fit. Non-airbag or auto-ride Tahoe models only.