They are 1/4" NPT.

Dave Leonard

>
> >> Can anybody tell me what size are the 2 oil drain ports at the
> bottom of
> >> Tracy's PSRU?
> > I think they're both 1/8 NPT
> >
> John, they are 3/8" or 1/4" NPT, but I'm not sure which one?
> Buly
>
>
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