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 Precautions for Installing a Leveling Lift Kit Pre-Installation .
