The Genuine VW / Audi Timing Chain Kit - 178687 is a comprehensive kit of products designed for the maintenance and repair of a car's timing chain system. This kit includes a variety of components that are essential for ensuring proper functioning and longevity of the timing chain. These components include timing chain tensioners, guides, sprockets, and other related parts. The kit is specifically designed for use in VW and Audi vehicles, and is made with high-quality materials to meet the standards and specifications set by the original manufacturer. This kit is an essential tool for mechanics and car owners who want to ensure the smooth and efficient operation of their vehicle's timing chain system.