Each unit adds 6 bright white running LEDs and 6 amber turn signal LEDsDirect bolt on installation for 1-1/4” engine guardsNo drilling requiredDie-cast aluminum housingMounting hardware includedIncludes Plug-and-Play wire harness for simple installation4-7/8'' longUniversal fitment, but they are not for use with Harley Davidson® engine guards kits (OEM# 49000138/49000139) for Softail models due to the bending mounting surface of these engine guards.Requires straight mounting area.