Elite dual fueler

[Dpavlika]

I have the old style lines with the heli coil in the line to the passenger side head does any one know the size of that heli coil

 

[White_monster]

Metric. Want to say 10 or 12mm but can't remember the pitch.

 

[Dpavlika]

I tried the 12x1.50 fits the rail but won't thred into the line the 7/16x14 threds in the line but won't fit the rail