This kit includes all the gaskets and o-rings for a complete engine overhaul (Engine Oil Seals not included). Athena offers the widest range of replacement gaskets available on the market, with over 40 years of experience in the sector, directly supplying the world's most important motorcycle manufacturers. Athena's gasket kits are based on solid know-how, continuous technological development carried out by its in house team of engineers and designers, and Italian manufacture that precisely follows the strict parameters required by the OEMs.