Thanks for the answer.

These are my specs until now.

I got a new Csoworth Block
under piston spray jet
6 lon Studs and 4 arp head studs
Biw wing sump
Berham oil pump (grp. a)
race bearings
balanced crankshaft
balance h-shaft rods
special rod bolts
Low Compression 7.5:1 MAhle pistons with valve cutouts
windage try
4*4 water pump
cooper ring gasket

thx alex