The Genuine VW / Audi Ignition Coil Kit - 178381 is a comprehensive set of products designed for use in a car's ignition system. This kit includes various components that work together to provide efficient and reliable spark to the engine, ensuring smooth operation and optimal performance. The contents of this kit include high-quality ignition coils, which are responsible for converting the battery's voltage into a powerful spark that ignites the fuel in the engine. Additionally, the kit may also contain spark plugs, which play a crucial role in delivering the spark to the engine's combustion chamber. Other possible contents of the kit may include ignition control modules, wiring harnesses, and other necessary hardware for installation. This kit is specifically designed for use in Volkswagen and Audi vehicles, providing a perfect fit and compatibility with these brands. With this kit, car owners can easily replace faulty or worn-out ignition components and restore their vehicle's ignition system to optimal functioning.