Rocker Stands For Magnum Valve Train??

The new tapped hole is 7/16 and the shaft of the stud is 3/8 on my studs.

The factory ones are 5/16 with 3/8 shaft.

They would work....

I understand the shaft is the same size. What would you do about the hole being 7/16 now and the Hughes rockers being 5/16 thread on the bottom?