gravity5
+1y
the H4 bulbs have the same base as the 4x6 headlights,and for that matter most any dual beam hi/lo sealed beam lamp...so yes they will plug in.
But the european and JDM bulbs are wired differently, so you might have to change the hi/lo wires in the harness....
But if you are really concerend with light ouput upgrade the harness....you can find premade ones or go to the local jobber supplier, and make your own.. some larger high quality wire, realys, fuses, and connections can make all the difference in the world.