I can't remember who, but somebody makes a 130 tooth flywheel that's balanced for a 5.9 Magnum. An LA 360 flywheel is balanced differently. Glad your crank is drilled deep enough.....now all you need is one of those roller pilot bearings.
In steel, your choice is Mopar, and maybe an aftermarket neutral wheel with bolt on weights, but that was sketchy. Did something else finally come to market?