2x?Rear High Strength Steel ShacklesPrecision CNC Machined for Outstanding Performance and QualityProprietary Protective Coating to Prevent Oxidation, Corrosion & RustIncludes complete set of High-Strength Installation HardwareInstallation InstructionsNotes:? Will Fit 6-Lug Models Only.Supreme Shackle Drop Kits are engineered to lower the rear end of your truck by a full 2". Our Rear shackles are made of High Strength Carbon-Steel and cut through a series of computer controlled processes, then coated to prevent oxidation and corrosion, keeping your kit looking great and functioning for years to come. Our kits install easily and does not require any cutting or welding, making them one of the easiest and safest kits on the market. Installation for the whole kit can be completed in 1-2 hours using hand tools. No cutting or welding required and comes with all hardware and installation instructions required.