So I bought the cheap Autopal H4 Conversion, and I'm very satisfied. I can get some better bulbs later, but for now I used the bulbs that came with them, They are an improvement over the Sylvania Cool Blues I had. These Autopals really light up the right side of the road, I like that as a safety factor. The only mod I did was to use Copper High Temp Silicone to seal the boot to bulb, boot to housing, and around where the lens is sealed to the housing to protect the ceramic from the elements.
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