Complete your 6.0L Powerstroke top-end repair with this 18mm dowel head gasket set from Power-Stroke Products. Designed for 2003-early 2006 Ford F-250, F-350, F-450, and Excursion applications with 18mm dowel 6.0L Powerstroke engines, this standard-thickness MLS kit includes the essential gaskets and seals needed for cylinder head installation or rebuild.