Thanks for info Guys!

The visible stampings on the side of the pan rail is B187972.
Cast 5-19-69
WT is stamped on the pad.

This block came out of a -70 Hemi Cuda(BS23R0B194914) that came to Sweden 1975.
I sold the car to a guy in Detroit,MI minus engine around 1996.
This engine will go into a Exports Hemicuda that lost its engine in England around 1974.