Liftcraft - 2002-2009 Chevy Trailblazer Lift Kit 2 Inch Rear 6061T6 Aircraft Billet Aluminum Spring Spacers 2WD 4WD Chevy 50mm Rear Lift (Silver) LIFT: 2 inch rear lift over stock FITMENT: 2002 - 2009 Chevrolet Trailblazer 2WD + 4WD models MATERIAL: Premium 6061T6 aircraft aluminum material with ideal strength and weight INSTALLATION: Bolt-on kit, only takes a couple of 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