Best performing non offset Small block Mopar heads

No, i am saying the best way to tell how much power a car is making is its MPH and weight. Period. That is true of any head. I just meant to add put in the ET also if you like( more for reference than anything else)
There are no pictures available of the heads. The flow numbers arent published. Frankly, i dont blame him. All it gets into is racing flow benches. Some of the numbers i have seen posted on here should be enough to make anyone sane, cringe.
Again, anyone serious about those heads should get ahold of the guy who sells them. That isnt me. I could care less who buys them.
I posted as much of the combo i personally am 100% sure about. It is a 74 Duster, left that out i guess, hughes 1.6 rockers, 1 7/8 TTI headers. I dont know the cam specs, i do know it endured drag week with no springs swapped. 727 trans, 4.10 gear, eddie victor intake. That should be enough to form a good idea of the potential. The car runs on true pump gas at the track

Like u said limited castings because of covid # Im in line for a set cant wait for them to show up !!!
He isnt hid in area 51 / he has a phone number and can be reached anytime.