Liftcraft - 1999-2018 F250 F350 Super Duty 2000-2005 Ford Excursion Lift Kit 1 Inch 6061T6 Aircraft Billet Rear Lift Leveling Blocks LIFT: 1 inch rear lift over stock FITMENT: 1999 - 2018 Ford F-250, F-350 Super Duty 2WD + 4WD and 2000 - 2005 Ford Excursion 2WD + 4WD MATERIAL: 6061T6 aircraft aluminum with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a couple of hours to install; No modifications required CONTENTS: Rear Lift Blocks (2) 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 1999 - 2018 F-250 Super Duty 1999 - 2018 F-350 Super Duty 2000 - 2005 Excursion 9/16th Pins 5&#034; Long 3&#034; Wide