Supreme Suspensions - Silverado Lift Kit 3" Front Suspension Lift + Front Shock Extenders Chevy Silverado 1500 Leveling Kit FITMENT: 2000 - 2006 Chevy Silverado 1500 4WD and Classic Body Style 2007 Silverado 1500 4WD. CONTENTS: 2x Cold-Forged Carbon Steel MAX-Torsion Keys and Shock Extenders, Hardware, Instructions and Pro Pack. TECHNICAL NOTES: 1 - 3 inch front suspension lift. For Silverdo Classic 4WD models with 6-lug axle configurations. BENEFITS: Improves the look of your truck and increases ground clearance, so that you can fit larger tires. Designed so that you can reuse your factory shocks. TWICE as strong as factory keys and indexed for lift. INSTALLATION: Easy bolt-on installation takes 1 - 2 hours. A torsion bar puller is required.