Liftcraft - Ford F-150 Lift Kit 3.5 Inch Front Billet Strut Spacers 1.5 Inch Rear Steel Blocks with Extended U-Bolts Leveling Kit 4WD LIFT: 3.5 inch front and 1.5 inch rear lift over stock FITMENT: 2004 - 2008 Ford F-150 4WD models | NOTE: *Front Spacers Will Not Fit FX-4 Models MATERIAL: Strut Spacers: Premium 6061T6 aircraft aluminum with ideal strength and weight | Lift Blocks: High-Strength forged steel with dual pins specific for the F-150 models to ensure stability INSTALLATION: Bolt-on kit, only takes a few hours to install; No modifications required CONTENTS: Strut Spacers (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