Adding to the off topic W8 in a boosted situations it’s the ideal head as the decks are thick and you have the extra head bolts to take advantage of on the correct block.
I wonder if they’re starting with a rough casting? If not I can’t see why they they wouldn’t accept heads being shipped to them.
Just hope some people jump on these and give them a whirl. For the price I’d almost be tempted to get a set and throw them on my old 360 backup mill. Even that junk has gone 10.8 in Vegas with iron heads.