JP Instruments EDM options can be added at any time for singles and twins. You do not have to send the instrument back, everything is plug and play.
The Carburetor Temperature Probe (CRB) probe, is installed in the Carburetor throat. A pre-drilled 1/8 NPT port is available from the Plane manufacturer. The CRB probe has a captive 3/8-24 boss that is screwed into the carburetor throat.