C9148-030 EST motor gasket kit. 3-3/4" bore

For a full engine overhaul on 2006 to 2017 96-inch Dyna models, this Cometic EST motor gasket kit provides everything you need in one package, including the primary gaskets. The set features .030 inch Multi-Layer Steel head gaskets which are designed to seal perfectly without dowel pin o-rings. The .020 inch Single-Layer Steel base and rocker cover gaskets are coated with high-temperature Viton rubber to ensure they won't tear or extrude over time. This kit also includes Viton valve seals with outer springs and 1999 to 2010 style breather gaskets, ensuring a professional, leak-free reassembly of your entire powertrain.