AND you're going to have to have the Factory ReProduce the "Strengthened
Rods". They are All Gone[I.E Out of Production].
(Or maybe wait on the Classic center?)
Somewhere,one of the Scandinavian cousins has sourced Super Rods for the
450HP OM 602/603 Monsters.(Looked Much Much More Robust than the MB
updated rods.) 'Don't know the source though,sorry.
You might ask over here:
http://mersuforum.net/forum/viewtopic.php?t=14424