Perfectly compatible with the original parts and meets or exceeds O.E.M. Specifications High quality and reliability manufactured in state of the art computer controlled facilities Best value for money, 60% of European manufacturers use these gaskets O.E.M. Note: Kit contents vary by application. Usually includes water pump gasket, clutch cover gasket, water pump shaft oil seals, washers and bearings. Fitment: YAMAHA YZ 450 F 2014-2017, YAMAHA YZ 450 FX 2016-2018, YAMAHA WR 450 F 2016