1999-2018 GMC Sierra 1500 1" Rear Drop Shackles Lowering Kit 2WD 4WD 1999 This kit installs easily in

This kit installs easily in half an hour and only require simple hand tools

Supreme Upper Control Arms are designed and crafted from Max Strength carbon-steel and fitted with high density polyurethane bushings

5"-2" rear Toyota IFS Pickup lift options to enhance the clearance

Installation Harware

1999-2018 GMC Sierra 1500 1" Rear Drop Shackles Lowering Kit 2WD 4WD 1999 This kit installs easily in2x Rear High Strength Steel Shackles Precision CNC Machined for Outstanding Performance and Quality Proprietary Protective Coating to Prevent Oxidation, Corrosion & Rust Includes complete set of High Strength Installation Hardware Installation Instructions Notes: Will Fit 6 Lug Models Only. Supreme Shackle Drop Kits are engineered to lower the rear end of your truck by a full 1". Our Rear shackles are made of High Strength Carbon Steel and cut through