Supreme Suspensions - Chevy Silverado 1500 Suspension Lift Kit 3.5" Front Strut Spacers + Differential Drop FITMENT: "New Body Style" 2007 and 2008 - 2018 Chevy Silverado 1500 + GMC Sierra 1500 (6-Lug Models Only) CONTENTS: 2x Aircraft Billet Front Upper Mount Strut Spacers, 2x High-Crystalline Delrin Front Lower Mount Strut Spacers, 1x Differential Drop Kit, Installation Hardware, Installation Instructions, and Supreme Suspensions Pro Pack. TECHNICAL NOTES: 3.5 inch front suspension leveling lift. Factory shocks can be reused without compromising ride quality. INSTALLATION: Easy bolt-on installation takes 1 to 2 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.