I'm build a 7k I have used the following
7afe h beam rods spool make these
Acl race bearing through out
Acl race piston
Chrome moly rings
Chrome moly push rods
Balance everything
Three layer head gasket
I got a lj xu1 cam grind done
Used a k bigport head that's fully ported to about 36mm runners
Match ported manifold
A15 valves
5 angle race valve grind
Double valves springs
I run about 11.1 comp
I'm using twin 32/26 webers with electric fuel pump
Custom extractors and exhust
Recurved electric disturtor with msd box and coil
I'm making about 120kw at flywheel on engine dyno at 6700rpm