Race block /engine and or parts wanted

The X block came before the r blocks .The bore size is a rough bore 3.860 and the block is new .I have Program M splayed caps that I will through in. The can be set up for 4 bolt mains .This was ordered as a 2 bolt so you can decide on straight or splayed.If you look at the pic you can see the beefier main area.Any other ?? just let me know.