Kevin is correct. Here is how I set mine up.
I used a 37\64 drill bit and tapped the block out to 3/8NPT for the oil supply. This is where the factory oil pressure sensor and turbo oil feed line were located. Then place a 3/8NPT to a -10 fitting into this hole. This will now supply the engine all of its vital oil.
Then you need to plug off the factory oil supply hole either in the block or the timing cover. (I chose to plug the timing cover).
The pick up hose is a -12. The oil supply hoses from the pump to the filter and from the filter the oil supply fitting in the block are -10. The by pass hose is -8.
Here is a photo which will probably better explain it