The Genuine VW / Audi Timing Chain Kit - 178690 is a comprehensive kit designed for servicing the timing chain of a car. It includes various high-quality components that are essential for maintaining the proper functioning of the timing chain. The kit contains 13 items, including tensioners, guides, bolts, and other necessary hardware. These components are specifically designed to fit Volkswagen and Audi models, ensuring a perfect fit and optimal performance. The kit is a reliable and efficient solution for replacing worn or damaged timing chain parts, preventing potential engine damage and ensuring the longevity of the vehicle. It is a must-have for any car owner looking to properly maintain their vehicle's timing chain system.