Forced Performance M18-to -4AN male oil galley adaptor converts an M18 threaded Subaru EJ oil galley port to a -4AN male fitting. The brief description identifies the part as a simple adaptor for Subaru EJ engines, allowing conversion of the factory oil galley thread to an AN line connection where an aftermarket feed line is used.
Forced Performance M18 x -4AN Male Subaru EJ Oil Galley Adaptor