The NTN Timing Belt Kit - 137768 is a comprehensive kit of products designed for servicing a car's timing belt. It includes a variety of components that are essential for maintaining the proper functioning of the timing belt. These components include a timing belt, tensioner, idler pulley, water pump, gaskets, seals, and other necessary hardware. The kit is designed to provide all the necessary parts and tools for a complete timing belt replacement, ensuring optimal performance and longevity of the car's engine. The contents of the kit are carefully selected and high-quality, making it a reliable and convenient option for car owners. With this kit, car owners can easily and efficiently service their timing belt, ensuring the smooth operation of their vehicle.