CAN someone tell me the difference between these two bulbs?
damned if they dont look the same....and will there be damage if used in each others spot?
gary~
damned if they dont look the same....and will there be damage if used in each others spot?
gary~
Soldier'spapa
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viperyder said:
They are interchangeable and either will work. When I selected the H4 for myself I did so because the package stated for "Motorcycle " use. My thoughts were that they might peform better in a high bump/vibration application.
blackattak
Expert
That is what was explained to me. H4 are made to withstand vibrations. I actually puy PIAA bulbs in (dealer had in stock- a bit more expensive but work well). the only complaint is if someone is looking in their mirrors to see you during the day they are so white they can't pick them up unless looking straight at them. I guess best idea is stay in front. 
