This adapter goes on the side of the G50 gearboxes, to make it oil cooled. Theres either a sensor, or a metal plate with no hole, or its just a blank in the casting. It goes there. It comes with AN-8 fitting.
If theres a plate then you can probably drill it out as large as you can, and file it flat and use this. Or send it to us and have it professionally done. or if its a blank casting we can machine that no problem to fit for an additional price. Gear boxes requiring disassembly are an extra fee. Rebuild services available.