Couldn't find a magnifying glass, but It may (or may not) be an accelerator pump on a carb (?)
Sorry for the slow response, you nailed it! It's on the center 6pak carb.
Man you beat me to it
Well I was pretty busy today so I had my assistant go dig thru parts. She came up with this, I said no way they will guess that in no time. But she insisted so we made a bet. Nobody gets it in 24 hours I take her to lunch at McDonalds. Women. go figure
Its a suction cup for her navel button? or the heat riser tube?