Supreme Suspensions - Ford F350 Super Duty Lift Leveling Kit 3" Front High-Strength Carbon Steel Spring Pack with Plated U-Bolts 4x4 4WD (Black) PRO FITMENTS: 1980-2004 Ford F250 Super Duty 4WD, 80-04 Ford F350 Super Duty (4WD) and 1999-2004 Ford Excursion (4WD). Does not fit models with Twin I-Beam suspension. CONTENTS: 2x Carbon Steel Spring Leaf Packs, 4x Extended Plated U-Bolts, Installation Hardware, Installation Instructions and Pro Pack. TECHNICAL NOTES: 3 inch front suspension lift for 4WD models. INSTALLATION: Easy 'bolt-on' installation takes 1 - 2 hours. No special tools are required. BENEFITS: Improves the look of your truck and increases ground clearance, allowing you to fit larger custom rims and tires. Provides for a smooth ride while maximizing weight capacity.