Head Gaskets - GM has new MLS?
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I had a spare head gasket for an LS engine, pn 12558810 (left side), so I ordered a couple more to use on the engines I am building. GM didn't list the 12558809 part any longer so I got the replacement part. When I got the gaskets I noticed that they were copper colored multi-layer metal (pn 12573949) ...kinda like the Cometic MLS.
Are these gaskets good for either side now? Anybody have any experience with them? Thanks...
Are these gaskets good for either side now? Anybody have any experience with them? Thanks...
Last edited by CharlieLed; 12-19-2004 at 02:59 PM.