The Genuine VW / Audi Timing Chain Kit - 178686 is a comprehensive set 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 the proper function of a car's engine. The contents of this kit include a timing chain, timing chain tensioner, timing chain guide, timing chain sprocket, timing chain tensioner gasket, timing chain cover gasket, timing chain tensioner seal, timing chain guide bolt, timing chain guide pin, timing chain tensioner bolt, timing chain sprocket bolt, timing chain sprocket washer, timing chain tensioner bolt washer, timing chain guide bolt washer, and timing chain tensioner seal ring. These products are specifically designed to fit and work with VW and Audi vehicles, providing a reliable and high-quality solution for timing chain maintenance.