The Genuine VW / Audi Ignition Tune-Up Kit - 178424 is a comprehensive set of products designed to improve the performance and efficiency of a car's ignition system. This kit includes various high-quality components that are specifically tailored for use in Volkswagen and Audi vehicles. The contents of the kit may vary, but typically include spark plugs, ignition coils, ignition wires, and other necessary hardware. These products are essential for maintaining the proper functioning of a car's ignition system, which is responsible for starting the engine and providing the necessary power for the vehicle to run smoothly. This kit is a convenient and cost-effective solution for those looking to tune up their Volkswagen or Audi car and ensure optimal performance.