Upgrade and illuminate your existing Westin R5 Nerf Step Bars with Westin's R5 LED Light Kit. This optional accessory package provides added lighting to illuminate the entire step bar and door sill area, making it much safer to get in and out of your vehicle. Easily bolts on to all Westin R5 Nerf Step Bars (regular size or wheel - to - wheel) which includes 4 end caps with integrated LED lights and wiring harness. The R5 LED Light Kit features durable, compact solid state relays that fit under the step bar, resisting weather and road wear. Features magnetic switches that control the lights when doors open.