Nope, stock mounts, suspension, and still have the balance shaft. Sounds like I'll be looking for a left headlightDo you have things like balance shaft delete and/or stiff engine and trans mounts?
Duece's car did this because of the vibrations from the above. There's really nothing you can do. I mean you could try to open them up and do some sloppy repair inside but they're still going to get shaken apart.
Might be worth baking apart when you find a suitable replacement. Since you don't have any vibration-inducing mounts. It's possible the little screws for the shroud or projector may have loosened some. But you risk breakage when splitting a permaseal headlightNope, stock mounts, suspension, and still have the balance shaft. Sounds like I'll be looking for a left headlight