gauges hole saws?

[chevyuser74]

i was wondering what u guys use to mount the gauges i am looking for a 2 5/8" hole saw and a 4 5/8" hole saw for the 5in gauge so far with out luck

 

[4X4HIGH]

This place has all kinds of hole saws. They do have a 2 5/8" but the closest you're going to get to the 4 5/8" is a 4 1/2" then you'll have to "massage" the rest of the way. I just bought a bunch from these guys a few weeks ago.

http://www.hermanscentral.com/department/morse-bimetal-hole-saws-10456.cfm