Replace stock turn signals with any Kuryakyn (or aftermarket) turn signals that mount via M8 studs
If using/mounting Kuryakyn by Kellermann Atto, Micro S or Rhombus S turn signals: requires two (2) part # 2020-1665 (sold separately)
Flasher relay, part # 2050-0444 (sold separately) is required when using LED turn signals
Includes adapter plates for installing custom turn signals (sold separately) on front and rear