Supreme Suspensions - Silverado 1500 Lift Kit Front 2.5" Leveling Lift Kit for [2007 - 2018 Chevy Silverado 1500] and [2007 - 2018 GMC Sierra 1500] SILVER Aircraft Billet Strut Spacers FITMENT: 2007 - 2018 Chevrolet Silverado 1500 (2WD 4WD) and 2007 - 2018 GMC Sierra 1500 (2WD 4WD). 6-lug models only. Not compatible with "Classic Body Style" 2007 models. CONTENTS: (2x) Aircraft Billet Front Strut Spacers, Installation Hardware, Installation Instructions, and Supreme Suspensions Pro Pack. TECHNICAL NOTES: 2.5 inch front suspension leveling lift. Factory shocks can be reused without compromising ride quality. Please note that spacer thickness to lift height is NOT a 1:1 ratio. It is recommended that you measure your vehicle ride height before and after to see the full lift amount has been achieved. 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.