Od school fuel level gage

Anyone seen one of these or something like it ? I could use one.

thanks

I have never seen one.
but that part number returns some interesting articles but no one seems to have it for sale anymore.
even hot rod published instrcutions as late as 2010.

https://www.hotrodders.com/forum/holley-tuning-questions-1355402-singlepost88.html

http://oldcarmanualproject.com/manu...0/HolleyB150_html/MCarbHollB150_0044.htm

this is the only thing that looks close, but no picture.
https://www.autotoolworld.com/Kent-Moore-Tool-310-1932-Plug8Mm516Fuel_p_242099.html

Thanks for the links. The tool in the last link kinda sounds like a plug ?? Might be worth looking on ebay.