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up to date pn's for coolant pipe and plugs

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Old 09-12-2006, 07:25 PM
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Default up to date pn's for coolant pipe and plugs

I have searched the forum a couple times and I'm finding that there are so many different part numbers for the pipe and plugs that I need to install the LS6 manifold. Does anyone have the current GM part numbers that will work? Thank you.
Old 09-12-2006, 11:49 PM
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GM Coolant crossover pipe (P/N 12581213)

GM Coolant plug (P/N 12602540)
Old 09-13-2006, 12:23 AM
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Or you can get two of the front crossover tubes. You can then block off the rear one or run a 1/4" coolant hose from the back to the front to help the rear stay cool. This is what I did.
Old 09-13-2006, 04:15 PM
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thank you
Old 09-13-2006, 08:26 PM
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Originally Posted by Ferocity02
Or you can get two of the front crossover tubes. You can then block off the rear one or run a 1/4" coolant hose from the back to the front to help the rear stay cool. This is what I did.

more info
Old 09-20-2006, 04:59 PM
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i just got my manifold today and it came as a kit with the pipe and plugs. the pipe part number i have is 11122789 for the pipe and the manifold number is 12573572. are these the correct numbers? just wanna make sure.

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