identifying

Someone offered me this compete ignition as being OEM. I have doubts because I don’t see a single mark on it. Is this OEM or aftermarket and which engines would it fit?

I've been staring at a mod that a PO did on my BJ74 for a while now, and now felt like a good time to get to the bottom of it. I have a feeling @Malahki, PO that did a serious amount of work and upgrades must have installed it, but I don't think he's still active on MUD, but if he sees this...

I picked these up on KSL Classifieds. They were advertised as FJ40 sliding windows. When I got there he told me they came out of a South American Landcruiser? I’m not familiar with any of the now discontinued sliding side windows so I figured I would roll the dice. Can anyone help me identify...