Originally Posted by st1264
Look like 540 Plasma Ion Fogs to me. Appear to be around 5" in diameter, compared to the 7" headlights. 540's are the closest at 5 1/8".
520's are 6 1/4" in diameter (according to PIAA's website).
I would agree.
Btw PIAA's plasma ion fog lights are awesome, especially in the crappy weather we in in the Pacific northwest.
I for one, however have always gone with the 520s