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Mar 8, 2004 | 04:47 PM

max93

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Joined: Nov 2003

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From: WI

part #

anyone know the GM part # for a head gasket for a 91 L98?

Mar 9, 2004 | 09:37 PM

Vader

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Joined: Jan 2000

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Yes. Lots of people know...

Try 10105117, or 10159455 if you want to drop compression a bit (0.028" and 0.039" thicknesses, respectively). The 12557236 will drop compression even more with a 0.051" compressed thickness.

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