Feature:Shackle Kits are designed drop the rear of your Sport Truck or SUV up to 2 inches.For some applications we also offer a 1/2″ lifting Shackle Kits.Shackle Kits are constructed from heavy gauge die stamped PO steel to insure a perfect fit and superior quality.All shackles are powder coated that do not need maintenance unlike polyurethane.OE ride quality with added performance, control and comfortSpecifically made for your vehicle with guaranteed fitmentFitment:For 1988-2018 Chevy Silverado GMC Sierra 1500Description:Model: 6400Placement on Vehicle:Left, Right, RearWarranty: 3 YearPart Type: Leaf Spring Shackle Lowering KitItem Weight: 5.9 poundsItem model number: 6400