✅ SOLVED I found a couple copper ring things? They are ring sized, flat ish, and perfect circles.

[DarthYoda333]

 

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[3cylbill]

There is no size reference ,a quarter in the pic would help

 

[Tpmetal]

If i had to guess they are copper crush rings from something like spark plugs. Used as a seal/gasket.

 

[mick56]

Agree with spark plug gaskets

 

[cudamark]

If i had to guess they are copper crush rings from something like spark plugs. Used as a seal/gasket.

Yup, or maybe from a drain plug or similar depending on size.