To answer your question FunFer, fuel injection pumps can swap rotations by removing the cover and making an internal change-i had to do mine years ago and can't remember exactly but do recall being impressed with the simplicity of design. There is a notch on the cover if that notch is at 3 oclock it is CW, notch at 9 oclock it is CCW and when you make the internal change the notch moves. Open it up and it is so simple you'll say 'why didn't i think of that'