Need an aftermarket O ring for part#92055-1088

Does anyone know what the dimensions are and have a source for less expensive o ring p/n 92055-1088. These are the o-rings that hold the polyester caps in place over the pilot jets on CV-34 Keihin carbs (like on my 82 KZ750 H3)?

Partzilla wants $8 ea. for a tiny o-ring!

If you have your carbs apart, you can measure the aluminum bore and the polyester groove diameter and height. If not, I can check my 2nd set of carbs next weekend for you.

I would just get a Metric O-Ring kit in Viton(Performs much better with todays ethanol infested fuels) should be able to find the correct one in the kit and will have plenty of other o-rings that will come in handy on your bike.All for less than the cost you stated
One source is Harbor Freight, another is Mcmaster-Carr and probably Granger
Harbor Freight is probably cheaper but I'm very leery of them so I purchased mine at Mcmater-Carr 20 some dollars and will have replacements anywhere a o-ring pops up