Fits 1999 - 2013 Chevrolet Silverado 1500 & GMC Sierra 1500; 2001 - 2006 Silverado 1500 HD & GMC Sierra 1500 HD; 2007 Chevrolet Silverado 1500 Classic/1500 HD Classic/2500 HD Classic & GMC Sierra 1500 Classic/1500 HD Classic/2500 HD Classic; 2003 - 2004 Chevrolet Silverado 2500; 2002 - 2004 GMC Sierra 2500; 2003 - 2013 Chevrolet Silverado 2500 HD; 2002 - 2013 GMC Sierra 2500 HD; 1999 - 2002 Chevrolet Silverado 2500 (Dually Upgrade Kit 75610-01A Required); 1999 - 2001 GMC Sierra 2500 (Dually Upgrade Kit 75610-01A Required); 2001 - 2002 Chevrolet Silverado 2500 HD (Dually Upgrade Kit 75610-01A Required); 2001 GMC Sierra 2500 HD (Dually Upgrade Kit 75610-01A Required); 2001 - 2006 Chevrolet Silverado 3500 & GMC Sierra 3500 (Dually Upgrade Kit 75610-01A Required); 2007 Chevrolet Silverado 3500 Classic & GMC Sierra 3500 Classic (Dually Upgrade Kit 75610-01A Required); 2007 - 2013 Chevrolet Silverado 3500 HD & GMC Sierra 3500 HD (Dually Upgrade Kit 75610-01A Required) | The AMP Research Bedstep®2 mounts just behind the cab, forward of the rear wheel, providing a faster, easier and safer route to access toolboxes, equipment and cargo in the bed. Easily installed, this frame-mounted, retractable truck step can be mounted on either side of the truck box, and it flips down or retracts with just the nudge of your foot. Proudly made in the USA with global materials.