Athena P400485160009 Gasket Kit Gasket kit suitable for Yamaha Cylinder kit Suitable for: Yamaha Made in Italy Fits: Athena big bore cylinder kit for Yamaha WR 450 F 2003-2006, YFZ 450 2004-2011, YZ 450 F 2003-2005 Athena top end gasket kits feature superior quality gaskets, containing the gaskets needed to rebuild your motorcycle or ATV engine Athena ensures they are only using the highest quality gaskets to provide a great seal every time Manufactured in state-of-the-art computer controlled facilities, Athena gaskets are designed and built to meet or exceed OEM specifications Athena is the OEM supplier to 60 percent of European manufacturers