Supreme Suspensions - Avalanche Suburban Tahoe Lift Kit 3.5" Front Suspension Lift T6 Aircraft Billet Spacers + 2" Rear Suspension Lift High-Crystalline Delrin Spacers Chevy Leveling Kit (Black) PRO FITMENT: 2007 - 2013 Chevy Avalanche 1500, 2007 - 2015 Chevy Suburban 1500, and 2007 - 2015 Chevy Tahoe. CONTENTS: 2x Front Lift Aircraft Billet Strut Spacers (Upper Mount), 2x Front Lift Aircraft Billet Strut Spacers (Lower Mount), 2x Rear Lift High Crystalline Delrin Spring Spacers, Installation Hardware, Installation Instructions, Supreme Pro Signature Decals, and Bottle Opener. LIFT HEIGHT: 3.5 Inch Front Suspension Leveling Lift and 2 Inch Rear Suspension Lift. INSTALLATION: Easy 'bolt-on' installation takes 2 to 4 hours. No special tools are required. 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. Factory shocks can be reused.