Supreme Suspensions - 2007 - 2018 Chevrolet Silverado + GMC Sierra Lift Kit 3.5" Front Suspension Lift + 3" Rear Suspension Lift + Differential Drop Kit + Rear Axle Shims Chevy Silverado 1500 Leveling FITMENT: "New Body Style" 2007 and 2008 - 2018 Chevy Silverado 1500 + GMC Sierra 1500 (6-Lug Models Only) CONTENTS: 2x Front Billet Upper Mount Strut Spacers, 2x Front Delrin Lower Mount Strut Spacers, 2x Rear Billet Lift Blocks, 4x Extended Zinc Plated U-Bolts, 1x Differential Drop Kit, 2x Axle Pinion Alignment Shims, Installation Hardware, Instructions and Pro Pack. TECHNICAL NOTES: 3.5 inch front suspension lift and 3 inch rear suspension lift. For models with 6-lug axle configurations. INSTALLATION: Easy 'bolt-on' installation. No special tools required. BENEFITS: Improves the look of your vehicle and increases ground clearance, allowing you to fit larger custom rims and tires. Factory shocks can be reused.