Cleaning out some 40+ years of parts stash and before I try to put them on classifieds, wondering if any value, or even if Porsche parts. (I did a lot of VW stuff 40 years ago..)

These I know are -6 valve guides
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caliper piston seal and cover/retaining ring. One caliper only (??)
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misc relays, not sure if even used in 914
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electric motor brushes, no idea from what
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stack of gaskets are about the same size as the copper exhaust gasket for heat exchanger to muffler on a -6. but inner diameter is smaller. Any idea what they would be for? I can't see anything that size on the engine.
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