The Liqui Moly Maintenance Kit - 136560 is a comprehensive set of products designed to help maintain and improve the performance of a car. It includes seven different items, each serving a specific purpose in car maintenance. The contents of the kit are not limited to a specific brand, but rather a variety of products from different manufacturers. These include an engine oil additive, a fuel system cleaner, a radiator cleaner, a brake system cleaner, a windshield washer fluid, an air conditioner cleaner, and a rust inhibitor. These products are designed to help keep the engine, fuel system, radiator, brakes, windshield, and air conditioning system of a car clean and functioning properly. The rust inhibitor also helps to protect the car's body from corrosion. Overall, the Liqui Moly Maintenance Kit - 136560 provides a comprehensive solution for maintaining the various systems of a car and ensuring its optimal performance.