New Winderosa Top End Gasket Set Compatible with/Replacement for Yamaha WR400F 1998 1999, YZ400F 1998 1999 Verify the part fits before purchasingTop End Gasket Kit Compatible With / Replacement For YamahaCompatible with/Replacement For: Yamaha WR400F 1998 - 1999, YZ400F 1998 - 1999

Includes every gasket O-ring and seal required to rebuild a top end.o Valve seals, head, base, exhaust, tensioner, and other misc. gaskets and O-rings as required. Multi cylinder machines include enough components to rebuild both cylinders. Does not include formed rubber valve cover gasket. Formed valve cover gaskets are included in complete kit with oil seals.