That is an in-dash ignition switch, so definitely not for a '70s or '80s Mopar. I have all my Borg Warner catalogs buried right now or I'd look it up, but I believe it's either GM or Ford. Looks a lot like a '78-'79 Ford.
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.