Bushwaker 2007-2010 GMC Sierra 2500 HD Fleetside 78.8 Bed, 2007-2010 GMC Sierra 2500 HD Fleetside 97.6 Bed, 2009-2010 GMC Sierra 3500 HD Fleetside 97.6 Bed, 2007-2008 GMC Sierra 3500 HD SLE Fleetside 97.6 Bed, 2007-2008 GMC Sierra 3500 HD SLT Fleetside 97.6 Bed, 2007-2008 GMC Sierra 3500 HD WT Fleet..