That pic that shows the rocker on the shaft demonstrates how far the rocker can be moved on the shaft, I can't get it past that point by hand. If I move it in a few milll it moves freely and smoothly, as do the rest. Def says Crane on the rocker, the shafts are unmarked tho, but they look identical. I will ask the guy I got 'em from, he should know
....I will mic' them to see if they are round, a rocker wiggled on the shat tip like it was slightly ovalled, that is where the hold down tabs go after all
I know what your saying about the heads Dave, nothings that simple is it? especially when it claims to be