What I have read/heard so far.......
557CID
2 twin screw Lysholm screw-type superchargers
Multi-port fuel injection, 2 injectors/cylinder
Eight ignition coils, one/cylinder
Smartcraft controller
Merc dry-sump #6 drive standard
PCM038 micro-processor controller handles all spark, knock, variable boost control (electronic bypass valve), timing etc. ; has capability to automatically decrease engine power if any monitored parameter is out of accepted levels.
Not sure of $$$$$- I'm sure it will be obscene.