im deffinately no expert on this but i think that toyota kept it simple and 23 spline is 23 spline i seriously doubt that they changed either the pitch or diamater of the splines just for the US so im sure any 23 spline adapter from the us will fit your version. the differance in the spline crowns is of no consequence and means nothing that is for allowing lubrication to the splines. hope this eases your mind good luck!!
White Trash
