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Does anyone have a pic of the underside of an AFR LT1/4 head?
A friend purchased a set of AFR LT1 190 heads, and there are 2 coolant passages that the stock heads have and are shy on the AFR's. He just wants to make sure that the AFR's don't have these coolant passages, and it's not a casting mistake.
Pretty sure you can order them without the bungs for the coolant temp sensors which is probably why they are missing on your friends heads. You can have them tapped for the sensors without a problem from my understanding. Or you can simply not run the sensors.
Tom Wong found the answer to my question. I was asking about coolant passages just above the combustion chambers on the underside of the heads. The AFR heads don't have the middle 2 passages.