> It is 4mmX0.7 but, that factoid is about useless; good luck finding a
banjo
> fitting and drilled screw of that size.  If you look closely at the tee,
you
> will see that the leg which is used as the pressure port has a hose barb
> formed on its end.  The tee is sized for 7mm hose.

I'm thinking of installing a permanent fuel pressure gauge (available at
local speed shop)  in the engine compartment...... so it seems from the
information above that the way to go would be a 7 mm hose & clamp???

Thanks,
Bill