Liftcraft - 2002-2006 Avalanche 1500 6-Lug 4x4 Lift Kit Adjustable 1-2 - 3" Front Torsion Keys + 3" Rear Silver Spring Spacers and Shock Extensions (Steel + T6 Billet) LIFT: 1-3 inch adjustable front and 3 inch rear suspension lift over stock FITMENT: 2002 - 2006 Chevrolet Avalanche 1500 4WD models | NOTE: Will fit 6-Lug models only MATERIAL: High Strength Steel Torsion Bar Lift Keys and Shock Extenders | 6061-T6 Billet Aluminum Lift Blocks INSTALLATION: Bolt-on kit, only takes a few hours to install; No modifications required CONTENTS: Carbon Steel Torsion Keys (2), Aluminum Spring Spacers (2), Carbon Steel Shock Extenders (2), Hardware and Detailed Instructions - Liftcraft suspension lift and leveling kits come with a lifetime guarantee and are the easiest, safest, and most affordable way to improve the look of your truck and run bigger tires