5.2 magnum swap--which gasket do I need?

Post 10-13 got me wondering, so I did a quick search. They are correct (I was wrong), a 360 LA pan fits the 5.2L Magnum block. But, you need extra work to use a Magnum gasket with the LA pan. Read these:
Engine Update: Oil Pan Fitment and Engine Mounts
One piece 360LA Oil pan gasket. | Moparts Question and Answer | Moparts Forums