Supreme Suspensions - 4WD Ford F150 Lift Kit 2" Front + 2" Rear Aircraft Billet Coil Spring Spacers + Carbon Steel Add-A-Leafs (Silver) FITMENT: 1981 - 1996 Ford F-150 (4WD). CONTENTS: 2x Aircraft Billet Front Spring Spacers, 2x Carbon Steel Rear Add-A-Leafs, Installation Hardware, Installation Instructions, and Supreme Suspensions Pro Pack. TECHNICAL NOTES: 2 inch front suspension lift and 2 inch rear suspension lift. Factory shocks can be reused without compromising ride quality. INSTALLATION: Easy bolt-on installation takes 2 to 4 hours without the need for special tools. An alignment is recommended after install. BENEFITS: Improves the look of your vehicle and increases ground clearance, allowing you to fit larger custom rims and tires.