The Ford 2003 To 2010, IC Corporation 2005 To 2008, And International 2003 To 2009 Rocker Box And Valve Cover Gasket Kit is a standard replacement grade kit that includes 1 valve cover gasket, 1 rocker box gasket, 4 seals, and 11 grommets. Made of durable silicone construction with a 6.7mm thickness, this kit is an ideal replacement for the original equipment gasket. It offers a cost-effective solution with original equipment quality at a competitive price. Quality tested through try-on testing, this kit fits most Ford, IC Corporation, and International models from 2003 to 2010, 2005 to 2008, and 2003 to 2009 respectively. Direct OE replacement numbers include Navistar 1836517C1 and Ford Motor Company 3C3Z-6584-AA.