Johnson Evinrude Head Gasket 60 Hp 1986-88, 65 Hp 1972-86, 70 Hp 1974-85, 75 Hp 1975-89 WSM 505-05 OEM# 313413 High Performace Quality OEM Style Gaskets. Gaskets and seals meet OEM standards or higher. PWC Engine brings Higher Quality for an awesome price! Complete kits include crankshaft oil seals.