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What is the best brand head gasket to use for the 87 motor? Should i stay with the GM 25528486 head gasket only? Thanks.
 

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Depends on your goals, if your stock the stock GM head gaskets work the best. They will work good up to 500-550rwhp. Anything more than that you should probably look at the steel shim with silicone or some like the cometic.
 
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