How to Assemble the Front of a Small Block

I just noticed that there were no pictures with the oil slinger installed. Here's how it goes:

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My engine has been torn down previously (built 415 not by me) that I am reassembling now and it has no plugs in the block, no bolt with through hole and no oil slinger. Seems like 3 strikes to me. Should I tear down my 340 and rob the oil slinger at least out of it? It does have the drip plate. Should this is a 360 Magnum based engine.