The Genuine VW / Audi Spark Plug Kit - 178574 is a comprehensive kit designed specifically for Volkswagen and Audi cars. It includes all the necessary components for servicing the spark plugs in these vehicles. The kit contains a set of high-quality spark plugs that are compatible with Volkswagen and Audi models, as well as other essential tools and materials for installation. These may include spark plug sockets, a gap tool, and dielectric grease. The kit also comes with detailed instructions for proper installation and maintenance. This kit is an essential tool for maintaining the performance and longevity of your Volkswagen or Audi car.