the bag on the left was what the new head gasket came in. it is totaly identical to the gasket on the right in the last picture,which came in the bag on the right in this picture. looking at the old head gasket, is why i replaced it for the new one. my local cc.dealer said that they dont make the old style anymore. they are carbon fiber now and are rather soft, as i was told by him not to bend it. both part numbers are the same [41 041 10-s] for the k161. i ran the gasket all summer and no leaks were seen again. when i built my 383 stroker, it was recomended that i use a carbon fiber head gasket when useing aluminum heads on an iron block, but cost more than the copper that i went with. as far as i can tell, yes, now they are Kohler Genuine Parts.i have no idea why my old gasket leaked, it realy does look good.
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