New oil pump and pick up while you are at it. Oil cooler, oil pump & pickup are a MUST! Many like to replace the oil pan too because bearing material gets stuck behind all the baffles and you can never get it 100% clean no matter how hard you try. A new pan is only $84 and I wont rebuild a engine without a new one if it had spun bearings. Also, make sure all the oil galley plugs are removed from the block and flushed out in a parts washer. Then flush them again, and again. Same goes for all engine bearing oil supply galleys. They all need to be spotless! If you dont remove the galley plugs and flush them, chances are there is some bearing material sitting in there just waiting to flow back into the system on first start up.