wing nut that is at the top of the spare hold down bolt

Not for sale... just a photo of what I think you are looking for16125862429818734938638030374287.jpg

Something I did for my air cleaner nut. Found one that looked right but it was too small a thread. I took a punch and with a proper sized socket to back it up, punched the hole larger, then tapped it to the correct thread.

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