C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Header bolts

Old May 26, 2007 | 07:32 PM
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Default Header bolts

I'm installing headers and need to order a set of header bolts. Can anyone tell me what thread size is needed for a 1995 LT1? Thanks a bunch!
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Old May 26, 2007 | 11:16 PM
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3/8 coarse, get them 1" long. You might want to check into the ones ARP make that are "NASCAR" style. They have a small 5/16 hex head on them and they are the best thing for getting the hard to reach ones tight.
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Old May 27, 2007 | 12:50 AM
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Something like this?
http://store.summitracing.com/partde...9&autoview=sku
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Old May 27, 2007 | 09:42 AM
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Originally Posted by carriker
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Old May 27, 2007 | 09:54 AM
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I've changed this response three times, too early in the a.m. I guess. Yes, those are the bolts you want.

Last edited by Midnight 85; May 27, 2007 at 10:05 AM.
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Old May 27, 2007 | 03:01 PM
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Good because that's what I ordered last night. I'm excited!
Thanks for your help guys.
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Old May 27, 2007 | 03:02 PM
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Do they make any header bolts that will work with the alternator and AC braces?
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Old May 27, 2007 | 07:59 PM
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I reused mine but had to reradius them to fit. TPIS headers.
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Old May 27, 2007 | 11:17 PM
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Originally Posted by 4Ever21
Do they make any header bolts that will work with the alternator and AC braces?
Re-use the original studs & nuts, just make a spacer out of metal tubing the proper length.
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