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Old 11-21-2007, 08:20 PM   #1
Cybergasm
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Default Exhaust bolt size?

Any one know what the thread count/size is for the Exhaust bolts on 4.0 OHV
need to get some new header bolts but don't know which ones to get since there are several choices that "might' work at the local parts store.

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Old 11-21-2007, 11:08 PM   #2
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The bolts that hold the manifold/headers to the heads? 8mm X 1.25 thread

the bolts that hold the Y-pipe to the manifolds are 12mm x 1.75

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Old 11-22-2007, 08:44 PM   #3
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Ah finally I find the answer

I guess ishould have been alitle more clear next time but yes i was looking for the sbolt size for the manifold/header to cylinder head

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