Supreme Suspensions - F150 Lift Kit + Nitro-Charged Performance Shocks Adjustable 1" to 3" Front MAX Torsion Keys + 3" Solid Aircraft Billet Rear Lift Blocks FITMENT: 1997 - 2003 Ford F150 (4WD). For FX4 models, front lift torsion keys may be adjusted only between 1" and 2.5". CONTENTS: 2x Cold-Forged MAX Torsion Carbon Steel Lift Keys, 2x Solid Aircraft Billet Lift Blocks, 4x Extended Zinc Plated U Bolts, 4x Nitro-Charged Performance Shocks, Installation Hardware, Installation Instructions, and Pro Pack. TECHNICAL NOTES: Adjustable 1 to 3 Inch Front Leveling Lift (1 to 2.5 Inch Front for FX4 Models) and 3 Inch Rear Lift. INSTALLATION: Easy 'bolt-on' installation takes 3 to 4 hours. A torsion bar puller is required. BENEFITS: Improves the look of your truck and increases ground clearance, allowing you to fit larger custom rims and tires. Nitrogen-charged shocks provide an enhanced ride quality and off-road capability.