Modern Headlights
I think I would stay away from those lights that you linked. The faux 'semi-Hella' lettering logo style and the cardboard box scream 'China' to me LOL. 'AutoPal' brand? You gotta be kidding me...LOLx2 I would not waste my money a 2nd time.
As far as the wiring, if the wiring is good, it can work. Voltage drop is voltage drop; there will likely be less with a relay mounted close to the lights. All you can do is try a good light (like a Hella) and see if it is adequate for you and work from there with the voltage drop. Be aware that 55W bulb will draw about 1 amp more than a standard or Halogen filament sealed beam, so that will increase you voltage drop.