Item Description: Placement on Vehicle: Front + Rear Front Lift Height: 1-3 inch (Adjustable) Rear Lift Height: 2 inch U-Bolt Spec: 9/16"-18 Square/ Long about 11 inch Material: Steel Color: Black Vehicle Fitment: For 2001-2010 Chevrolet Silverado 1500HD/ 2500HD/ 3500HD For 2001-2010 GMC Sierra 1500HD/ 2500HD/ 3500HD **Fits 8 Lug Trucks Only **NOT Fit Models with Factory Overload Springs or Dually Models **If your vehicle don't have 1'' stock(factory) block, it will provide additional 2'' lift. .
