If your talking about a non probe type, if you find one please let us know the part no source. If a 1/8" hole in header is OK there are lots of those type probes. If you already know this, sorry. Westack (?) is a great source for EGT stuff. Another good source is the snowmobile folks. Grumpy > Does ANYONE have a source for a thermister based EGT? I just want the >bulb for the bung, not the guage.