Supreme Suspensions - Chevy Avalanche Suburban 2500 1" to 3" Front Steel Torsion Keys + 1.5" Rear Billet Blocks with UBolts Full Suspension Leveling Lift Kit 4x2 4x4 Includes Shock Extenders + Torsion Bar Unloading Tool PRO Fits: 2001-2012 Chevrolet Suburban 2500 2WD and 4WD, 2001-2010 Chevrolet Avalanche 2500 2WD and 4WD Designed to Lift your front end 1 to 3 inches and rear end 1.5 inches while maintaining factory ride quality U-Shaped design covers both sides of the cross member firmly to distribute load evenly when removing torsion keys Kit includes: 2x Front Max Carbon-Steel Torsion Keys, 2x Rear Pro Billet Lift Blocks, 2x Carbon-Steel Shock Extenders, 4x Zinc Plated U-bolts, 1x Carbon-Steel Torsion Max Tool, Installation Hardware, Supreme Pro Signature Stickers and Bottle opener