Liftcraft - Chevrolet Tahoe Avalanche Suburban 1500 Leveling Lift Kit 1" Rear 6061T6 Aircraft Billet Aluminum Spring Spacers 4x2 4x4 (2PC Silver) LIFT: 1 inch rear lift over stock FITMENT: 2002 - 2013 Chevrolet Avalanche 1500 6-Lug 2WD + 4WD | 2000 - 2015 Chevrolet Suburban 1500 6-Lug 2WD + 4WD | 2000 - 2015 Chevrolet Tahoe 2WD + 4WD MATERIAL: Premium 6061T6 aircraft aluminum material with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a few hours to install; No modifications required CONTENTS: Spring spacers (2) 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