An easy and affordable route to significantly increase visibility to other motorists Direct replacements for the stock incandescent bulbs produce intense light output, with additional benefits of low current draw, longer lifespan and resistance to prolonged vibration White/Amber version is great for front turn signal applications, providing high-intensity white running lights that convert to amber flash when turn signals are activated 2011-later Softail, 2012-later Dyna, 2014-later Sportster and Touring do not require load equalizers - Plug-and-Play! 2010-earlier Softail, 2011-earlier Dyna, 2013-earlier Touring and Sportster require a load equalizer