Suggestions for new design Aluminum Mopar SB clean slate (kind of) cylinder heads

Above all else, have the Q.A. team on their toes to ensure that they are a true 100% bolt on out of the box.
Every time.
To me, that would go a long way, just clean the shipping oil off and bolt them on.
We've all heard the horror stories about non sealing valves, guides too tight or loose, and spring height corrections not to mention debris from the manufacturing process in the ports...