Westin Soft Roll-Up Tonneau Cover 99-16 Ford F-250/F-350 Super Duty | 6.75' Bed. Fits: 1999 - 2003 Ford 7.3L Powerstroke; 2003 - 2007 Ford 6.0L Powerstroke; 2006 - 2007 Chevy/GMC 6.6L LLY & LBZ Duramax; 2008 - 2010 Ford 6.4L Powerstroke; 2011 - 2016 Ford 6.7L Powerstroke.