check out ebay for the arm. I run heims on mine, but alot of people that use their rigs for daily drivers use rod ends. You can get the heims and tube nut adapters (I think that is what they are called) at http://jkwoffroad.com
He makes arms for a dana 60, you might ask him if he can do one for a 44, if that is what you have.
RamchargerCentral.Com is a Dodge truck community built by a vast number of experienced owners. Whatever you're thinking about doing from routine maintenance to full-on restoration, odds are somebody around here already has. Originally focused on the Ram Charger / Trail Duster, our members own, drive and wrench on Mopars from the 40s to the current day. It's not what you buy, it's what you build.