Cometic Extreme Sealing Technology Top End Gasket Kit for 1999 - 2004 Twin Cam with .040 Head Gaskets
EST (Extreme Sealing Technology) sets include embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material
Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure.
Sets contain all the necessary gaskets, seals and O-rings to rebuild the top end from the cylinder base upward
Cometic Part number C9779
Drag Specialties part number DS-172084