oh yeah well didnt know that, it was just trial and error with mine i had a 8000k globe in to start off with it was bright and i was getting a lot of flashes from other drivers, now i got the 6000k in and its fine. but i've got an eg, so it might be different in a ek. as for fitting its easy as, just as long as you get the right ones, i think there H4's in eks, but then im not sure coz i dont have a ek