Here we go again

I’m no expert on head porting. And picture sometimes hard to decipher, over all looks like a lot of potential but I would never bolt them on out of the box the way they are. A lot like everything else now days they’re just kicking them out as fast as they can. Some one not knowing what there looking at and just bolt them on, would spend a lot of money for heads and not gain a whole lot. I’d be interested to see if they flow close to the advertised cfm