The search engine isn't exactly user-friendly, but it's been around for over 5 years and some of us have actually been insane enough to delve into the arcane voodoo it takes to get results.
That's a long-winded way of saying, "No worries."
Back on topic: I've seen those dominator lights, or ones like them, mounted on cruisers before. I like 'em. Might do duals some day but I already bought a 5 3/4 spun aluminum headlight with recessed trim ring for mine.