The Bosch Fuel Injector Kit - 140660 is a comprehensive set of products designed for use in a car's fuel injection system. The kit includes various components that are essential for maintaining the proper functioning of a car's fuel injectors. These may include fuel injectors, fuel injector seals, fuel injector o-rings, and fuel injector gaskets. The kit also includes other necessary tools and materials for installation and maintenance, such as fuel injector cleaner and lubricant. This kit is suitable for most types of cars and can help improve fuel efficiency, engine performance, and overall vehicle reliability. It is a convenient and cost-effective solution for those looking to service their car's fuel injection system.