T600 - Better headlights possible?

Try the GE high output bulbs.

 

3 words !

Aircraft landing lights

off of junked F-16s

 

I would use an old lamp housing and retrofit a HID lense in it from a BMW or Acura along with an HID kit. It'll give you a good crisp cutoff line that won't blind oncomming traffic, but it's expensive...

 

27645C high beam
27640C low beam
Truck Lite amazing headlights.
This company makes headlights for the cascadia and many other semis with the oem headlights.. they are very Bright.
Just copy and paste the model number into EBay search and you will find both. Sold with pairs

 

27645C High Beam
27640C Low Beam
Type the model number into EBay search bar. These headlights are sold in pairs.
Amazing headlights. Did a lot of researching and Truck Lite. The best headlights ever made. They make Oem headlights for cascadia and many other semis.