Any ideas on what these are?

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Injectors for the smog pump

Thanks, I wasn't even sure if they belonged to the car.

They are in pretty tough shape, and I haven't found the pump yet.

You won't really need to use those luckily.

They are supposed to be connected together with a tube that goes across the top of the engine. All one piece. Most people usually just plug the holes in the head.

I took a set and mig welded the top end (hex) closed, makes for a quick, down and dirty smog hole plug, that also hold the smog tins in place.
Those would blast up fine for that purpose.
Ran an engine for years like that, sold the engine now in a bug and I know it's still running.

They thread into the head, bring them to a hardware store and find a bolt the same size....it's a simple plug.

Thank you all for the information and ideas, solutions.

Great World!