Nice, I am getting my 5.3L from a friend for building a stand alone LS harness for him. So a few hrs of my time and ~$100 in materials lol.
That would make a nice side hustle if you have the time and inclination for it.
Welp, first sacrilege has been started: I picked up some NBS seats for Stay-Puft. I'm fairly tall and not a fan of having my head inches away from the rear of the cab (which is metal, not even safety glass), so I wanted something with head rests and just generally more safe. I get better seats and 3 point belts all in one part.
Dodge trucks have some years where they had the same type of seats, but they are fugly IMO and the NBS jump seat has cup holders. LOL. Also it appears from pictures the NBS seat rails are basically flat and should be a lot easier to secure to the flat floor of the sweptline trucks.