I found a 345 Hemi emblem OEM from a dealership on ebay out of NC. I bought the last one and haven't found a relisting of the item but here are pics of the emblem. As you can see, every number or letter are by itself.
http://www.ebay.com/itm/331134694784?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
http://www.ebay.com/itm/331134694784?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649