C9751F EST motor gasket kit. 3-1/2" bore

For a reliable engine rebuild, the Cometic EST motor gasket kit provides top-tier sealing technology for 3.5-inch bore Evolution engines. This comprehensive kit includes all necessary gaskets, seals, and o-rings, including primary gaskets, to ensure a leak-free assembly. It features .040-inch Multi-Layer Steel (MLS) head gaskets and .020-inch Single Layer Steel (SLS) base and rocker gaskets, both utilizing high-temperature Viton rubber for a superior seal that won't fail over time. The exhaust gaskets are designed for maximum flow without fraying. This kit fits 1989 to 1991 Softail models and 1991 Dyna models. It is sold as a set, offering everything needed for a complete top and bottom end overhaul.