This unit is a replacement Pick-Up Pulsar Coil for the Ski-Doo GSX 500 Stator. This brand new part offers 300 ohms. This can be the only part that fails on your stator, so you can save lots of money by purchasing this part. This unit is often unavailable from the direct manufacture. All units are tested before being shipped and they come with a one year warranty. Get it today before they sell out!