I want to install one of these but the applications shown on Spruce's site (https://www.aircraftspruce.com/catalog/eppages/safOilDrainValves_07-00879.php?clickkey=92892) do not indicate this is applicable for the IO390.
If it works on the IO360, will it work on my IO390?
If it works on the IO360, will it work on my IO390?