Eagle Lights LED Headlight Installation Accessories2013 and Older Harley Davidson Motorcycles If you have a 2013 or older Harley Davidson Touring Model (Street Glide, Road King, Ultra Classic, Switchback or Electra Glide etc.), you will need the adapter ring. 2014 and Newer Harley Davidson Motorcycles If you have a 2014 2017 Softail model, you will not need any additional installation accessories. Does not fit 2018 and newer Softail models. If you have a 2014 or newer Switchback models will require an