Retrax 99-06 Chevy/GMC 1500 6.5ft Bed / 07 Classic (Wide RETRAX Rail) RetraxONE MX2006 Chevrolet Silverado 1500 78. 0 Bed, 1999 2005 Chevrolet Silverado 1500 Fleetside 78. 0 Bed, 2007 Chevrolet Silverado 1500 Classic 78. 0 Bed, 2001 2003 Chevrolet Silverado 1500 HD 78. 0 Bed, 2005 2006 Chevrolet Silverado 1500 HD 78. 0 Bed, 2007 Chevrolet Silverado 1500 HD Classic 78. 0 Bed, 1999 2004 Chevrolet Silverado 2500 78. 0 Bed, 2001 2006 Chevrolet Silverado 2500 HD 78. 0 Bed, 2007 Chevrolet Silverado 2500 HD Classic 78. 0 Bed, 1999 GMC