The Liqui Moly Maintenance Service Kit - 136906 is a comprehensive kit of products designed to help maintain and improve the performance of a car. It includes a variety of essential products that are necessary for regular maintenance and upkeep of a vehicle. The kit contains eight different items, each serving a specific purpose in keeping the car running smoothly. These include an engine oil additive, a fuel system cleaner, a radiator flush, a brake system cleaner, a power steering fluid, a transmission fluid additive, and a windshield washer concentrate. This kit is suitable for all types of cars and can help enhance the overall performance and longevity of the vehicle.