Part Description
Cometic, EST top-end gasket kit. M8 4.320" bore
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Note: Made with embossing for water cooled heads only. Note: Can be used up to 4.320" bore without mods or plugging the water cooled heads. Note: Oil cooled heads must always be plugged or welded on cylinder bores exceeding 4.250" since the oil cooling port is closer to the cylinder bore.
