The guy that owns the mill we machine our boat parts on, runs a TAD. His choice of powerplant was Rodeck Chevies in the 80's , then Brad V's until a couple years ago. Now he runs the Minor Brothers , MBR deal. Chevy Hemi or latest version of the Fontana.
Well, the steel rockers weren't good enough for a few reasons, the Jesels never finished a pass. So we decided to make them out of the next best material
18 of them in production now.
1st half is 9 hours long
2nd half is 5 hours long
Then they get the roller slot, adjuster threaded bore, and the oil hole.
They will be shotpeened also !
Before you ask, he could sell some, but, they aren't going to be cheap ?