Feature:1. Perfect Match: The shackle kit is replacement for Chevy Silverado 1500 2wd/4wd Truck 19882018.2. High Grade Iron: Made of highquality steel material, with antirust coating, the drop shackle has a longer service life.3. Double Protection: The rear drop shackles have double protection, which ensure the quality.4. Multiple Tests: After many tests to ensure safety, stability and durability, which can meet your needs.5. Professional Product Standard: Built to meet original standard specification, and the rear drop shackles strictly follow the factory quality control.Specification:Item Type: Drop ShackleMaterial: SteelProcess: External Paint Protection and Extend Product LifeInstallation Location: Chassis Rear Suspension System(Left, Right, Rear, Lower, Driver Side, Passenger Side)Lifting Height: Approx. 11.5in / 2.5-3.8cmFitment:Replacement for Chevy Silverado 1500 2wd/4wd Truck 1988-2018Replacement for GMC Sierra 1500 2wd/4wd Truck 1988-2018.Package List:2 x Drop Shackle2 x Screw