1988-1999 GMC K1500 1" Rear Lowering Drop Shackles Kit 4WD Style:Zerk *Rock Warrior Model and TRD

*Rock Warrior Model and TRD suspension package will NOT fit 3" or 3

Replaces stock OEM Trailing arms increasing steering performance and handling

2x Stud Extenders

2x Rear B6 4600 Series BILSTEIN Shock Absorbers

1988-1999 GMC K1500 1" Rear Lowering Drop Shackles Kit 4WD Style:Zerk *Rock Warrior Model and TRD2x 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: Fits 4WD 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 a series of