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Title: head bolt letters and symbols
Post by: sam on October 11, 2006, 12:39:12 PM

What is the correct markings for SBC head bolts like between 67-75? What were the letter symbols? Thanks, Sam

Title: Re: head bolt letters and symbols
Post by: KevinW on October 11, 2006, 03:43:23 PM

Sam, there were a bunch of manufacturers used during those years. The most common are "C", "A" "TR" "M" and a circle looking mark.

Title: Re: head bolt letters and symbols
Post by: sam on October 11, 2006, 06:38:36 PM

Thanks! Sam

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