LA vs Magnum crankshaft

I haven't called or emailed to ask if the crankshafts need to be balanced for specific aplications. I kinda thought if there was a clear difference between 92-93, they'd list a different part number...
some of the sites I saw:
http://www.standardcrankshaft.com/crankshaftkitcatalog.html?sid=4744
http://crankshaftsupply.com/kits_chrysler.htm
http://www.crank-kit.com/index.php?page=products&make=CHRYSLER&makeId=2
http://www.apmengineparts.com/chrysler-jeep-5-9-360-v8-71-03-crankshaft-kit.html