The Genuine VW / Audi Ignition Coil Kit - 178406 is a comprehensive kit of products designed specifically for cars from the Volkswagen and Audi brands. This kit includes a set of ignition coils, which are essential components in the car's ignition system that provide the necessary spark to start the engine. The kit also includes other necessary components such as spark plugs and spark plug wires to ensure optimal performance of the ignition system. These components are crucial for the proper functioning of the car's engine and are essential for maintaining the vehicle's performance and efficiency. This kit is a genuine product from the manufacturer and is specifically designed to fit and service Volkswagen and Audi cars.