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Old Nov 17, 2021 | 02:54 PM
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351M

I am rebuilding a 351M I ordered head bolts from CJpony . The site said head bolts for 351M and 400 the head bolts I received said 351C. Will they fit? This is the first engine rebuild since 1966 . I am rebuilding it .040 over.
 
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Old Nov 17, 2021 | 11:08 PM
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From: Moriarty, NM
Yes they are the same according to summit.
 
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Old Nov 17, 2021 | 11:54 PM
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Better chance for multiple confirming answers here.

Meanwhile, check the new bolts against your old ones for length.....
 
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Old Nov 18, 2021 | 04:11 AM
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Head bolt

Same heads 351C, 351M, 400. Same bolts.

 
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Old Dec 3, 2021 | 10:34 AM
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Same head bolts 351C and 351M and 400.

The 351M especially needs new ones with it's "starter friendly" eightish to one C-R .... my OEM head bolts only been in two sets of heads due to burnt valve once.
 
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