Not that it really means anything, but the picture they show for this head, which looks like it’s right out of the Ede catalog, is of a std port 1st gen head. At 335cc....... it would likely be a MW Head.
This flow curve is actually pretty accurate and I've used the Victors enough to know where and why they lack. The .400" lift number is something else on these , it is usually 265 ish which is terrible. J.Rob
