Supreme Suspensions - 1999 - 2018 Ford F250 F350 Super Duty 2WD Front 1.5" Leveling Lift Spacers CONTENTS: 2x CNC Machined Pro Performance High Crystalline Delrin Spring Spacers, Hardware, Instructions and Pro Pack. FITMENTS: 1999-2018 Ford F-250 and F-350 Super Duty 2WD TECHNICAL NOTES: 1.5 inch front suspension lift. Maintains factory ride quality. Stud extenders are for 2WD models only. BENEFITS: Improves the look of your truck and increases ground clearance, so you can fit larger custom rims and tires. Factory shocks can be reused. Delrin has the highest tensile strength of any thermoplastic and does not compress under load. INSTALLATION: Easy 'bolt-on' installation takes 1 - 2 hours. No special tools are required.