Buick 455 block

I am in need of a 1974 or later Buick 455 block or core engine.

 

Location?

 

Is this for a mild build or ??

 

This is for a street engine. I want to do the oil mods to the block. I have 455 heads with stage 1 valves and a fair amount of port work. TA hyd cam, B4B intake with Qjet from Everyday Performance. Electronic ignition and TA headers with 2.5 in exhaust.