The part of the lens I used (near center of car) uses a 194 bulb and socket. I suppose you could modify the socket hole to fit a 9006/ 9005 or better yet use an H4 for low and high beam.
You would need to use the bulb type with the copper braid heat conductor as one with a cooling fan won't fit.
The bulb socket on the inner part is centered in the bumper shock mount.
Maybe a brighter LED bulb could be modified to fit the 194 socket and wired to an ignition on source.