AMP Research BedXtender HD Max 94-23 Ram 2500/3500 | 99-25 Ford Superduty. Fits: 1994 - 1998 Ram 5.9L Cummins; 1994 - 2002 Ram 5.9L Cummins; 1998.5 - 2002 Ram 5.9L 24-Valve Cummins; 1999 - 2003 Ford 7.3L Powerstroke; 2003 - 2004 Ram 5.9L Cummins; 2003 - 2007 Ford 6.0L Powerstroke; 2004.5 - 2007 Ram 5.9L Cummins; 2007.5 - 2009 Ram 6.7L Cummins; 2008 - 2010 Ford 6.4L Powerstroke; 2010 - 2018 Ram 6.7L Cummins; 2011 - 2016 Ford 6.7L Powerstroke; 2017 - 2019 Ford 6.7L Powerstroke; 2019 - 2024 Ram 6.7L Cummins; 2020 - 2026 Ford 6.7L Powerstroke.