C9907 EST top end gasket kit. XL1200

This Cometic EST top end gasket kit is specifically curated for 1988 to 1990 XL1200 Sportster models with a 3.50 inch bore. It is the ideal choice for a top end refresh, providing .030 inch thick Multi-Layer Steel head gaskets that offer a superior seal compared to standard options. The kit also includes .020 inch thick Single-Layer Steel cylinder base and rocker cover gaskets, which are coated on both sides with high-temperature Viton rubber to prevent leaks. Every necessary seal and O-ring for the top end is included in this package, ensuring a leak-free rebuild. This kit is sold as a set and is built to handle the heat and pressure of a V-twin.