[Spridgets] Aluminum Sprite brake unions?

[Mike/Donna Carpenter]

I have had a few period race bugeyes that have had aluminum"?" silver colored brake unions (4-way at the front and 3-way at the rear).  Were these ever offered on Spridgets or did these come from another LBC?  They have the same manufacturing and numbers.  Has anyone besides me seen this?

Thanks,

Mike Carpenter

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