I emailed the guys at Prosport, and have been talking with Glenn about a possible group buy on some gauges. I've been in the market looking around, and I'm sure there are a few other people around looking as well, so show your interest if you are.
"start a thread send us back the link we will...
Going a different route and don't need this anymore.
Comes with 2/3 port plugs. I might even have the 'instructions' somewhere.
35 shipped, firm.
From Nissport's website (NISsport Oil Pressure Adapter for B15 SE-R, Spec V, Altima)