JP Instruments Thermocouple Type K CHT Bayonet Probe with Spark Plug Gasket 3/8"
- CHT probe
- spark plug gasket 3/8"
- O-200 and O-300 engines do not have holes for CHT probes. Use M-113 gasket probes.
Adapter probe permits the JPI probe and the factory CHT to coexist in the same location.
The Cylinder Head Temperature (CHT) – standard Bayonet – probe, has a captive 3/8-24 boss which is screwed into the base of the cylinder. The CHT port is drilled by your engine manufacturer. The CHT probe has a screwdriver slot to facilitate tightening. The bayonet probe 5050T has the 3/8-24 boss as part of the probe and is screwed into the base of the cylinder