Where Did This Tiny Spring Come From ('65 Barracuda)?

1965 Formula S automatic is going to be put back together during the following months. Don't know how this little spring ended up on the floor and not tagged/bagged. All I know is it has a little red paint on it and one hook has rusted off.

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That looks like a distributor advance weight spring...

Either way, one of the hooks/loops is broke off and it's junk...