Liftcraft - 2005-2018 Frontier Lift Kit 3 Inch Front 1.5 Inch Rear Aircraft Billet Strut Spacers Lift Blocks Extended U-Bolts 2WD 4WD | Nissan Leveling Kit (Silver) LIFT: 3 inch front and 1.5 inch rear lift over stock FITMENT: 2005 - 2018 Nissan Frontier 2WD 4WD | Note: Will NOT Fit Pro4X Model MATERIAL: Premium 6061T6 aircraft aluminum with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a few hours to install | Note: Requires enlarging rear U-bolt retainer plates holes in order to fit 9/16" U-Bolts CONTENTS: Aluminum Strut spacers (2), Aluminum Lift Blocks (2), Extended U-Bolts (4), 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