* 1999-2002 Chevrolet/GMC Silverado/Sierra 1500LD/2500LD 6.6 or 8 ft. Bed - 2 & 4 WD * 1999-2005 Chevrolet/GMC Silverado/Sierra 1500HD 6.6 ft. Bed - 2 & 4 WD * 2003-2005 Chevrolet/GMC Silverado/Sierra 1500HD 8 ft. Bed - 2 & 4 WD * 2003-2004 Chevrolet/GMC Silverado/Sierra 2500LD 6.6 or 8 ft. Bed - 2 & 4 WD * 2004-2005 Chevrolet/GMC Silverado/Sierra 1500LD 5.8 ft. Bed - 2 & 4 WD * 2006-2006 Chevrolet/GMC Silverado/Sierra 1500HD 6.6 ft. Bed - 2 & 4 WD * 2006-2006 Chevrolet/GMC Silverado/Sierra 1500LD 5.8, 6.6 & 8 ft. Bed - 2 & 4 WD * 2007-2007 Chevrolet/GMC Silverado/Sierra Classic 1500HD 6.6 ft. Bed - 2 & 4 WD * 2007-2007 Chevrolet/GMC Silverado/Sierra Classic 1500LD 5.8 ft. Bed - 2 & 4 WD * 2007-2011 Chevrolet/GMC Silverado/Sierra (New Body Style) 1500LD 5.8 ft. Bed - 2 & 4 WD * 2007-2007 Chevrolet/GMC Silverado/Sierra Classic 1500LD 6.6 ft. Bed - 2 & 4 WD * 2007-2011 Chevrolet/GMC Silverado/Sierra (New Body Style) 1500LD 6.6 ft. Bed - 2 & 4 WD * 2007-2007 Chevrolet/GMC Silverado/Sierra Classic 1500LD 8 ft. Bed - 2 & 4 WD * 2007-2011 Chevrolet/GMC Silverado/Sierra (New Body Style) 1500LD 8 ft. Bed - 2 & 4 WD Please note this product does not ship to Pennsylvania. This item is compatible with the following vehicles: Chevrolet * 1999 - 2006 Chevrolet Silverado 1500 Heavy Duty * 1999 - 2013 Chevrolet Silverado 1500 Light Duty * 1999 - 2004 Chevrolet Silverado 2500 Light Duty * 2007 - 2007 Chevrolet Silverado Classic 1500 Heavy Duty * 2007 - 2007 Chevrolet Silverado Classic 1500 Light Duty GMC * 1999 - 2006 GMC Sierra 1500 Heavy Duty * 1999 - 2013 GMC Sierra 1500 Light Duty * 1999 - 2004 GMC Sierra 2500 Light Duty * 2007 - 2007 GMC Sierra Classic 1500 Heavy Duty * 2007 - 2007 GMC Sierra Classic 1500 Light Duty * Class 3, Towing Capacity - 6,000 lbs * Hitch Opening - 2 inch * Installation Time - 15 Minutes * No Drilling Required