Includes 2 High-Strength Steel Lift SpacersPrecision Laser Cut from High Strength Steel for Perfect Fitment.Proprietary Protective Coating to Prevent Oxidation, Corrosion & Rust.Designed to Be Used as 1/2" Rear Leveling Lift Kit or as a Booster Kit.Improves the Look of Your Vehicle and Overall Ride Quality & Comfort.Compatible with Stock Suspension and Most Aftermarket Leveling and Lift Kits.Simple Instructions for Easy, Do It Yourself Installation.Supreme Suspensions Spacers are precision laser cut out of one High Strength Steel Plate and finished with a black proprietary powder coat to prevent oxidation and rust, ensuring a lifetime of dependability under even the most extreme riding conditions. These spacers can be used on stock suspension, with leveling and lift kits or as a Lean Spacer Fix.If you’re looking to level the stance of your truck, fit larger wheels and tires or pick up some ground clearance out on the trails, we have a kit tailored specifically to your truck and your needs.IMPORTANT:Please note that spacer thickness to lift height is NOT a 1:1 ratio; it is recommended that you measure your vehicle ride height before and after to see the full lift amount has been achieved.