3 inch egt/cht gauge

[Tayloraviate]

Hi guys, need some help please. I have an Archer III with a standard one cylinder egt gauge. I would like to replace it with a four cylinder egt/cht gauge. My problem is the hole from the standard gauge is 3 inches and all the round gauges that I find have a smaller diameter. Do

you know of anyone that makes a gauge that I am looking for that would fit in the existing hole? I don’t need anything fancy with a lot of extras just a four bar gauge to monitor my cylinders.
thanks!

 

[dream492]

 

[imwithtuxedo]

 

[Dravnx]

 

[Tayloraviate]

 

[Tayloraviate]

 

[oregon87]

 

[flyguydon]

 

[Skigolfmike]

 

[vaillankm]