B&B specialities LLC has all metal fittings for walbro carbs, simply pull the plastic brass fittings out and tap the b&b fitting home in any orientation you want it, I use a little brass hammer, first thing I do to all my carbs.
I have built zipp's, ss mono and 3 slr t boats, all go together pretty easy and do good on the water, I change a few things on the t boats along the way in the build, also used to run Jerry's stock mono but now run a rc boatworks Y21 and it has out shined both the other mono hulls, definitely...