The Corteco Crankshaft Seal Kit - 135557 is a comprehensive kit of products designed for use in a car's crankshaft system. The kit includes a variety of necessary components for properly sealing and maintaining the crankshaft, ensuring optimal performance and longevity of the vehicle. The specific contents of the kit may vary, but typically include items such as seals, gaskets, and O-rings. These products are essential for preventing leaks and maintaining the proper functioning of the crankshaft, which is a crucial component in the engine of a car. This kit is a convenient and cost-effective option for those in need of multiple components for their car's crankshaft system.