Supreme Suspensions - F250 Lift Kit 1" Rear Suspension Lift CNC Machined T6 Aircraft Billet (Silver) Easy Install Ford F250 Leveling Kit Super Duty PRO FITMENT: 1999 - 2018 Ford F-250 Super Duty 2WD 4WD CONTENTS: 2x Solid Aircraft Billet Lift Blocks, Installation Instructions, and Pro Pack. U-Bolts are not included. TECHNICAL NOTES: 1 inch rear suspension lift. Maintains factory ride quality. BENEFITS: Improves the look of your truck and increases ground clearance, allowing you to fit larger custom rims and tires. Factory shocks can be reused. Solid light weight lift blocks CNC machined from Aircraft Billet. INSTALLATION: Easy 'bolt-on' installation takes 1 - 2 hours. No special tools are required.