Just to confirm, those are pieces the fell from inside the oil pump. I replaced the oil pump last year when I bent some valves, all parts I use are oem or better.

The bearings on the main caps look like they have 180k on them- worn down. I'll post pictures of them so you guys can draw some conclusions for me.

As far as rebuild or buy used/new, I'm a rebuild type of a guy; even though I've never done a block before. I'm always ready to learn. Luckily, I have a garage, some tools, and a Helms.