Thule TracRac SR Base Rails for 99-13 GMC (Crew Cab/X-Short Bed) - Black

SR Base Rail; Black; Fits, Fitments 2004 Chevrolet Silverado 1500 LS 2004 Chevrolet Silverado 1500 LT 2004 Chevrolet Silverado 1500 Z71 2004 GMC Sierra 1500 SLE 2004 GMC Sierra 1500 SLT 2005 Chevrolet Silverado 1500 LS 2005 Chevrolet Silverado 1500 LT 2005 GMC Sierra 1500 SLE 2005 GMC Sierra 1500 SLT 2006 GMC Sierra 1500 Denali 2007 Chevrolet Silverado 1500 LT 2007 Chevrolet Silverado 1500 LTZ 2007 Chevrolet Silverado 1500 WT 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 GMC Sierra 1500 Denali 2007 GMC Sierra 1500 SLE 2007 GMC Sierra 1500 SLT 2007 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic Denali 2008 Chevrolet Silverado 1500 LS 2008 Chevrolet Silverado 1500 LT 2008 Chevrolet Silverado 1500 LTZ 2008 Chevrolet Silverado 1500 WT 2008 GMC Sierra 1500 Denali 2008 GMC Sierra 1500 SL 2008 GMC Sierra 1500 SLE 2008 GMC Sierra 1500 SLT 2008 GMC Sierra 1500 WT 2009 Chevrolet Silverado 1500 Hybrid 2009 Chevrolet Silverado 1500 LS 2009 Chevrolet Silverado 1500 LT 2009 Chevrolet Silverado 1500 LTZ 2009 Chevrolet Silverado 1500 WT 2009 GMC Sierra 1500 Denali 2009 GMC Sierra 1500 Hybrid 2009 GMC Sierra 1500 SL 2009 GMC Sierra 1500 SLE 2009 GMC Sierra 1500 SLT 2009 GMC Sierra 1500 WT 2010 Chevrolet Silverado 1500 Hybrid 2010 Chevrolet Silverado 1500 LS 2010 Chevrolet Silverado 1500 LT 2010 Chevrolet Silverado 1500 LTZ 2010 Chevrolet Silverado 1500 WT 2010 Chevrolet Silverado 1500 XFE 2010 GMC Sierra 1500 Denali 2010 GMC Sierra 1500 Hybrid 2010 GMC Sierra 1500 SL 2010 GMC Sierra 1500 SLE 2010 GMC Sierra 1500 SLT 2010 GMC Sierra 1500 WT 2010 GMC Sierra 1500 XFE 2011 Chevrolet Silverado 1500 Hybrid 2011 Chevrolet Silverado 1500 LS 2011 Chevrolet Silverado 1500 LT 2011 Chevrolet Silverado 1500 LTZ 2011 Chevrolet Silverado 1500 WT 2011 Chevrolet Silverado 1500 XFE 2011 GMC Sierra 1500 Denali 2011 GMC Sierra 1500 Hybrid 2011 GMC Sierra 1500 SL 2011 GMC Sierra 1500 SLE 2011 GMC Sierra 1500 SLT 2011 GMC Sierra 1500 WT 2011 GMC Sierra 1500 XFE 2012 Chevrolet Silverado 1500 Hybrid 2012 Chevrolet Silverado 1500 LS 2012 Chevrolet Silverado 1500 LT 2012 Chevrolet Silverado 1500 LTZ 2012 Chevrolet Silverado 1500 WT 2012 Chevrolet Silverado 1500 XFE 2012 GMC Sierra 1500 Denali 2012 GMC Sierra 1500 Hybrid 2012 GMC Sierra 1500 SL 2012 GMC Sierra 1500 SLE 2012 GMC Sierra 1500 SLT 2012 GMC Sierra 1500 WT 2012 GMC Sierra 1500 XFE 2013 Chevrolet Silverado 1500 Hybrid 2013 Chevrolet Silverado 1500 LS 2013 Chevrolet Silverado 1500 LT 2013 Chevrolet Silverado 1500 LTZ 2013 Chevrolet Silverado 1500 WT 2013 Chevrolet Silverado 1500 XFE 2013 GMC Sierra 1500 Denali 2013 GMC Sierra 1500 Hybrid 2013 GMC Sierra 1500 SL 2013 GMC Sierra 1500 SLE 2013 GMC Sierra 1500 SLT 2013 GMC Sierra 1500 WT 2013 GMC Sierra 1500 XFE