Liftcraft - 2006-2018 Ram 1500 4WD 2.5 Inch Front 6061T6 Aircraft Billet Strut Spacers Lift Kit LIFT: 2.5 inch front lift over stock FITMENT: 2006 - 2018 Dodge Ram 1500 4WD Models | NOTE: Will not Fit Mega Cab and models equipped with Active-Level Four-Corner Air Suspension* MATERIAL: Premium 6061T6 aircraft aluminum spacers with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a couple of hours to install 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 2006 - 2018 Dodge Ram 1500 Does Not Fit Mega Cab Models / TRX models will not fit 3&#034; or 3.5&#034; Front Spacer Not compatible with trucks equipped with the Active-Level Four-Corner Air Suspension 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.