By now we all know that there is indeed a liquid cooled touring Harley.
I ran across this You Tube video on how the new system works. It is a video of a video (with poor sound) that someone shot at some Harley Davidson Event. But it describes, with animation, quite well how the new radiator in the lower fairing system works.
Check it out!
I JUST WANT 2 RIDE!! 
I need a lower vent door only for my 2015 ultra limited as it came off and is list..
I believe the part # is 64r
The door that swings open and closes
You can’t get that part?