anyone know standard bore for 4.3V6 ?

[16Pilot]

I have a 1990 OMC GM is the standard bore 4.00?<br />and what is the best head gasket to use because they all seem to be stainless steel with some kind of coating on the outside, even the auto gasket is stainless

 

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Re: anyone know standard bore for 4.3V6 ?

My book says 4.000 X 3.48in. As for gaskets. I have always favored fel-pro head gaskets.