Supreme Suspensions - Yukon Denali Lift Kit 1500-Series Full Suspension Lift Adjustable 1" - 3" Front Suspension Lift Cold-Forged MAX-Torsion Carbon Steel + 2" Rear Suspension Lift Spring Spacers + Shock Extenders + Torsion Tool (Black) 4WD 4x4 PRO CONTENTS: 2x Cold-Forged MAX-Torsion Carbon Steel Lift Keys, 2x Rear Coil Spring Spacers, 2x Carbon Steel Shock Extenders, 1x Torsion Bar Unload Tool, Installation Hardware, Installation Instructions, and Pro Pack. FITMENTS: 2000 - 2006 Tahoe 4WD; 2000 - 2006 Suburban 1500 4WD; 2002 - 2006 Avalanche 1500 4WD; 2000 -2006 Yukon 1500 4WD TECHNICAL NOTES: 1 - 3 inch front suspension lift and 2 inch rear lift. Maintains factory ride quality. 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. TWICE as strong as factory keys and indexed for lift. INSTALLATION: Easy 'bolt-on' installation takes 2 - 4 hours. No special tools are required.