The Genuine VW/Audi Fuel Injector Kit - 178306 is a comprehensive kit designed for servicing and maintaining the fuel injectors in a car. It includes various components that are essential for ensuring the proper functioning of the fuel injectors. These components may include fuel injector seals, o-rings, gaskets, and other small parts that are necessary for a complete fuel injector replacement or repair. The kit is specifically designed for use in Volkswagen and Audi vehicles, but it can potentially be used for other car models as well. This kit is a reliable and high-quality option for those looking to service their car's fuel injectors and maintain its overall performance.