Supreme Suspensions - Silverado Lift Kit Adjustable 1" - 3" Front Suspension Lift High-Strength Carbon Steel Chevy Silverado 2500HD Leveling Kit (Black) PRO FITMENT: 2000 - 2010 Chevy Silverado 2500HD CONTENTS: 2x Cold-Forged Carbon Steel MAX-Torsion Keys, Installation Instructions and Pro Pack. TECHNICAL NOTES: 1 - 3 inch front suspension lift. Maintains factory ride quality. For models with 8-lug axle configurations. BENEFITS: Improves the look of your truck and increases ground clearance, so you can fit larger tires. TWICE as strong as factory keys and indexed for lift. Adjustable lift height lifts according to your preference. INSTALLATION: Easy installation takes 1 - 2 hours. A torsion bar puller is required. (2x) Carbon Steel Adjustable Torsion Keys Installation Instructions Supreme Suspensions Pro Pack