Welded j heads/w2

So I seen on Facebook someone has a set of j heads with w2 ports. His “welded up j heads with w2 exhaust ports. And offset pushrods. “ my Initial thought is would this would the water jackets match ? The w2 has very unique port design that’s a lot of material to take off of a j head ? It’s definitely something I haven’t seen before in many years or building sbm

View attachment 1715465757
Author: Moparhead