Athena 02-18 Yamaha YZ 85 47.44mm Bore Cast 2-Stroke Top End Piston Kit w/Top End Gasket Kit

Having two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a cast 2-stroke piston and the top end gasket kit. Athena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.