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Bolt size

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Old 07-30-2019, 06:54 AM
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Default Bolt size

2000 Firebird ls1.
I need the 2 screws the hold the EGR tube to the exhaust manifold.
What size, thread are they?
Old 07-30-2019, 08:49 AM
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Per the layout catalog and difficult to make out, GM 12556127 M8 x 1.25 x 24(7/8").




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