High-output LuminEZ make converting stock H-D turn signals to L.E.D. as easy as changing a bulb. The sleek design features a flat circuit board with molded poly lenses over the L.E.D. for crisp, intense illumination and a truly unique look; all by simply replacing your stock 1157 style bulb with the insanely bright LuminEZ inserts.; CAN bus compatible Non-CAN bus models require Load Equalizer, sold separately Fits directly into the stock housings, reusing the stock lenses Direct plug-&-play replacements for the stock incandescent bulbs that provide intense LED illumination Flat circuit boards with molded lenses provide longevity and resistance to prolonged vibration