Special bolt ID - marked 1038

Drilled hex head flats

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Special bolt ID - marked 1038


Post by roman » Sat Nov 10, 2018 8:57 pm

This was in the clutch hardware for the pan, looks special, can't ID from the book.
it's 5/16 NC thread by 15/16 long, hole drilled on each flat
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Re: Special bolt ID - marked 1038


Post by Bosheff » Sat Nov 10, 2018 9:43 pm

Nuthin to do with a pan that I'm aware of. Alternator (DC generator) equipped Big Twins (70 and later) used 2 of them to secure the inner primary to the rear of the left engine case. It is a safety wire thing....bosheff

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