Originally Posted By Porter67
This pic is from RJ and these are far from ideal imo as well your fast iron heads are not going to look near oem except from a visual standpoint.

Look back at the days of mastic, who needs a 3d printer to make things with that stuff.

Why they would do this with oem valve use in mind...hmmm... not ideal.



THose have got to be thin somewhere. They milled the chambers out. Scary !

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