Up for sale is ATHENA 1999-2017 YZ250 Yamaha COMPLETE GASKET KIT YAM. The vendor part number is P400485850267. Please read the title to know what is for sale Manufactured in �State-of-the-art� computer controlled facilities All gaskets made from the highest quality materials All gasket sets meet or exceed OEM specifications Includes all gaskets and seals from base gasket up