NRC turn signals replace stock signals and offer you a sleek, yet substantially brighter replacement. Mirror block-off signals replace your stock mirrors with sleek, custom-designed LED turn signals. Visibility during day or night with the brightest 1 mm LEDs offered on the market. Brightest LED turn signals in the market. Plug-and-play installation with O.E.M. connectors. Black textured finish for a professional look. Proper flash speed; no additional modules required. Includes all necessary mounting hardware. Optional fender eliminator kit available to purchase separately. Sold as a set. Note: Add a load equalizer (sold separately) to maintain the stock flash rate, or a Dual Element Diode to make them running lights.