The Genuine VW / Audi Timing Chain Kit - 178665 is a comprehensive set of products designed for servicing the timing chain of a car. It includes a variety of essential components that are necessary for maintaining the proper functioning of the timing chain. These components include tensioners, guides, sprockets, bolts, gaskets, and other necessary hardware. The kit is specifically designed for use in Volkswagen and Audi vehicles, ensuring compatibility and high-quality performance. The contents of the kit are carefully selected to meet the specific requirements of the timing chain system, providing a complete solution for any necessary repairs or maintenance. With this kit, car owners can ensure the longevity and reliability of their vehicle's timing chain, resulting in smoother and more efficient engine operation.