Threads :M20 & 3/4"Notes:M20xP1.5 & 3/4"x16UNF fittings66&70mm O-ringsfits most Japanese engines1/8 PT ports for sensors
M20xP1.5 & 3/4"x16UNF fittings
66&70mm O-rings
fits most Japanese engines
1/8 PT ports for sensors