For 44Psi boost, stock ConRods wont handle such amount of boost. Some finnish
owners has changed H-profil conrods, Like Pauter and Arrow etc.. Stock Headbolts will be enough and no need to O-Rings
OM606 stock IP is "Hopeless" Only way to have more power is to change OM603 IP to OM 606. There is no problem with electricity, if you change pump. there is no need to change injectors, and i dont know where might be correct injector, there is many things what must be correct, one is injecting angle.