The Genuine VW/Audi Timing Chain Kit - 178683 is a comprehensive set of products designed to service the timing chain in a car. It includes various components such as tensioners, guides, sprockets, and other necessary parts to ensure proper functioning of the timing chain. This kit is specifically designed for use in Volkswagen and Audi vehicles and is made with high-quality materials to ensure durability and reliability. The contents of the kit are carefully selected to meet the specific requirements of the timing chain system in these vehicles. This kit is an essential tool for maintaining the performance and longevity of a car's engine.