Top-end gasket kits include head, base, intake/reed, exhaust and water manifold gaskets where applicable
Complete gasket kits include crankcase seal; additional gaskets required for a complete engine rebuild
Head gaskets feature a steel tang core laminated on both sides with flexible graphite
All fan-cooled and free-air engines come with a graphite head gasket; all liquid-cooled engines come with a composite-fiber head gasket except O-ring or bumped-metal head