[petrel]

Yes. I figured that ring is all that holds any sealed beam bulb in place, so long as the fixture is fitted properly. With regard to adjustment, I never touched the adjustment knob on the mounts. When I took the truck in for inspection, the guy said they were right on the money.

Like you, I typically plan to avoid night driving (unless going through the NE). One dark, rainy night was the tipping point for me making the new lights a priority.