73 to 77 olds 403 motor mount bolts
 

I got question on 403 olds motor mount bolt what size the bolt are or the thread width.

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7/16-14 x 1" or 7/16-14 x 1" 1/4" I've seen. Here is a good link for reference;

https://pacificgbody.com/blogs/shop/...s-in-one-place


Hope you found out by now but wanted to post for future reference for others.

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