RVK2503,|2007-2018 GMC Sierra 1500,|2007-2007 GMC Sierra 1500 Classic,|2007-2007 GMC Sierra 1500 HD Classic,|2007-2007 Chevrolet Silverado 1500 HD Classic,|2007-2018 Chevrolet Silverado 1500,|2007-2007 Chevrolet Silverado 1500 Classic,Custom installation kit for 5th Wheel hitches that use univeral mounting rails in your truck bed.