351M header bolt question

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Jan 16, 2013 | 07:01 PM

f250custom78

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Joined: Jul 2012

Posts: 194

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From: Wyandotte, MI

351M header bolt question

I got some headers for my truck and am wondering what size the header bolts need to be.

this is what summits saying.

ARP Stainless Steel Header Bolts 400-1102 - SummitRacing.com

Will these work?
Its a 351M 2wd truck the headers are heddmen

Jan 16, 2013 | 07:22 PM

HIO Silver

Fleet Owner

Joined: Dec 2009

Posts: 20,678

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From: NorCal

Those header bolts also come in one-inch lengths (the threads, not overall length) so sizing will depend how thick the flanges are on your Hedmans and the thread depth of each hole in the head.