4'' Rear Drop Shackles & Hangers Kit for 99-06 Chevy Silverado 1500 GMC Sierra Fitment: for 1999-2006 Chevy Silverado 1500 2WD Only, Short Bed Only for 1999-2006 GMC Sierra 1500 Series 2WD Only, Short Bed Only Two Wheel Drive Trucks Short Bed Only PS: Does Not fit: Long Bed, Crew Cab or Welded Hanger Drop Length:4 in rear Information Adjustable 3" or 4" Rear Drop KitNo drilling or cutting requiredEasy Direct fit installationType: Rear Drop Shackle + Hanger Material: SteelColor: BlackFinish: Powder CoatedPlacement on Vehicle:Left, Right, Rear, Lower Package Include: 2 x Rear drop hangers2 x Rear drop shacklesw/ mounting hardwareInstallation method: Screw