Ford Muscle Forums : Ford Muscle Cars Tech Forum - View Single Post - 302 intake manifold bolt sizes ??
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post #5 of (permalink) Old 08-05-2009, 06:39 PM
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Join Date: Dec 2007
Location: Twin Cities Area Minnesota
Posts: 1,466
Re: 302 intake manifold bolt sizes ??

5/16 x 2" coarse thread. I would suggest washers with an aluminum intake and studs are nice with aluminum heads. [but expensive]
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