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Exhaust bolt size

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Old Dec 28, 2008 | 05:25 PM
  #1  
prorad's Avatar
prorad
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From: Indianapolis
Exhaust bolt size

Does anyone know the size and length of the bolts that hold the factory exhaust maifolds? Mine, like several others, are snapping off. Want to replace them with good grade-5 or 8 bolts, and get rid of factory studs with nuts. Anyone done this yet??? Thanks!!
 
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Old Dec 28, 2008 | 08:55 PM
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PartsPaul62
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From: Shawnee, Kansas
I have seen stud kits at Summit Racing and Jegs. They come in a kit with all the studs, nuts, and gaskets. Check'em out.
 
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Old Dec 29, 2008 | 09:55 PM
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Chaosracing
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Dont replace them with grade 5 or 8...you will wind up screwing up your heads. Get stainless steel. They are better because they will allow expansion and contraction of the manifold with out messing up the head and they will never rust.
 
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Old Dec 29, 2008 | 10:45 PM
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sulconst2
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From: manalapan nj
my borla headers came with a stage 8 bolt kit. should be able to purchase direct from stage 8.

here it is

Welcome to STAGE 8... Call Us Now! 1.800.843.7836

go to perf auto
then ford
then header bolts

now i know why the borla headers were so expensive!
 
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Old Jan 5, 2009 | 07:37 PM
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Sooper-Doodie
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M8 X 1.25 X 35 is the size. I used stainless bolts from my local hardware store.
 
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