3 thoughts on “GM Performance Parts 12498544 Head Gasket”

  1. Good gasket for stock engines. It’s well known that GM MLS LS gaskets can take a lot of abuse.I don’t know, my car just has stock power levels, for this – I’m sure the gaskets will last longer than the rest of the car. Why take a gamble? Get these gaskets.

  2. This part number comes up as a fit for 4 … This part number comes up as a fit for 4.8 and 5.3 bores, but it is actually the 5.7 bore, and while that may work, you will get less sealing surface than finding an aftermarket gasket that has the correct bore.

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