Includes 2 High-Strength Steel Leaf Spring Extended ShacklesIncludes High-Strength Installation HardwareSimple Instructions for Easy, Do It Yourself InstallationCAD Designed, CNC Laser Cut & Formed for Perfect Fitment And Extreme Durability.Double-Sided Reinforced Shackle Bodies for Excellent Strength & Resistance to Deformation.Proprietary Multi-Stage Platinum Finish for Maximum Protection Against Corrosion & Oxidation.Zinc Plated Bushing Sleeve Provides Less Friction And Smooth Suspension Articulation.Pre-Lubricated Poly Blend Bushings For Smoother Operation and Minimized Noise.Includes Zerk Grease Fittings for Simplified Future Lubrication and Longer Bushing Lifespan.Eliminates the Factory Rake and Levels Out Your Truck's Stance for Improved Handling Performance.Reduces Bushing Deflection & Allows Smoother, Unrestricted Movement.Lower the rear end of your pickup truck and improve handling without sacrificing OE ride quality with Supreme Suspensions' Lowering Shackles Kit. Precision Engineered from High-Strength Steel, our Double-Sided Reinforced Shackles are specifically designed to replace the thin, light-duty factory shackles of your truck, and lower it's rear end by 1 or 2 inches without compromising the quality of the factory ride.Each shackle is equipped with Pre-Lubricated Polyurethane Bushings for extra endurance, and finished with a Proprietary Platinum Finish Powder Coat and an extra clear coat to protect them against the corrosion and oxidation, ensuring a lifetime of dependability under even the most extreme riding conditions. From structural integrity to quality hardware, we have you covered, so please install with the utmost confidence!NOTES: An alignment is always recommended after altering the height of your vehicle.