I think the pocketing on the follower will cause lubrication problems and accelerated wear so yes please bin it or at least grind until the pitting disappears.
As for hardening, I have no clue what the original spec was but I'm not aware that anyone hardens (or re-hardens) after re-profiling?
p.s. Those look smart Tony!
As for hardening, I have no clue what the original spec was but I'm not aware that anyone hardens (or re-hardens) after re-profiling?
p.s. Those look smart Tony!