[Specifications] Lift Height 2" Rear Material Steel Drive Type 2WD 4WD [Compatible with the Following Vehicles] For Chevrolet Silverado 1500 HD 2001-2010 2WD 4WD (8-Lug Only) For Chevrolet Silverado 2500 HD 2000-2010 2WD 4WD (8-Lug Only) For Chevrolet Silverado 3500 HD 2000-2010 2WD 4WD (8-Lug Only) For GMC Sierra 1500 HD 2001-2010 2WD 4WD (8-Lug Only) For GMC Sierra 2500 HD 2000-2010 2WD 4WD (8-Lug Only) For GMC Sierra 3500 HD 2000-2010 2WD 4WD (8-Lug Only) Will Not Fit Dually Models Or Models With Helper/Overload Springs [Product Features] .