I ran across this company while looking at their steering head dampers for my other bike. I've done some research on other forums and they seem to be well regarded, especially in Europe. The emulsion shock is most likely what's on a stock Concours, but this one would be of much higher quality and much better adjustability. For about 60% the cost of a Penske. I don't know anything other than what I've read, but the steering head dampers are highly regarded on the KTM site. The manufactures site is clunky.
https://epmperf.com/hyperpro-steering-dampers/
Hyperpro | KA14-0AB | Motorbike KAWASAKI GTR 1400 GTR 1400 2007-2014 - Rear shock
Over ons
www.webshop-hyperpro.com
https://epmperf.com/hyperpro-steering-dampers/