- 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.
- 2013 or older Harley Davidson Dyna or Softail models will not need any accessories.
- 2014 - 2017 Softail model will not need any additional installation accessories. Does not fit 2018 and newer Softail models.
- 2014 or newer Switchback models will require an adapter ring for the installation.
- 2014 or newer Street Glide, Freewheeler and Road King models will need the Dual Bulb Adapter Harness (899).
- 2014 or newer Harley Davidson Model Motorcycles not listed above will need the Single Bulb Adapter Harness (897).
- If your motorcycle came with an LED headlight from the factory, you will need the Single Bulb Adapter Harness (897)
- 2018 or newer Softail models will need our 2018+ Softail kits. They can be found here.
- If you have a 2020 or newer Indian model you will need the IND-H4-MX150 Adapter Harness.
- If you have a 2022 or new Indian Pursuit, you will need the IND-MX150-EL60WR adapter harness.
- Indian Roadmaster models will require an adapter for the passing lights, part number IPLA01.