Wonderful pulse plug: pulse plugs incorporate capacitor, which stores the incoming electrical energy from the ignition system and releases it in a shorter and more powerful energy pulse. It can offer up to 1,000,000 watts of peak power, different from traditional spark plug. Practical pulse tail: this pigtail wiring is used to connect multiple wires together to keep the number of wires down, a clean area and allow everything to be hooked together efficiently with locking flanges. Multifunction: black wire for ground, blue wire for key ignition and red wire for constant power. Plug and Play to easily add any electrical accessory, from stereo to simple phone jack. Compatibility: this pulse plug is compatible with Polaris Ranger XP 1000 / RZR RS1 Pro, 2019 2020 2021. Although it is not an original part, it will work as the original and you will save hundreds of dollars by buying from us instead of distributors. Buy with confidence: order from Skyee-blue, we will offer you 12 months warranty and 30 days no questions asked return policy. Anything wrong happens with this product, just contact us by email, we would love to sort things out for you.