The GB Remanufacturing Fuel Injector Kit - 473972 is a comprehensive kit designed for servicing fuel injectors in a car. It includes various components that are essential for maintaining the proper functioning of fuel injectors. These components include a set of fuel injectors, seals, o-rings, and other necessary hardware. The kit also contains a fuel injector cleaning solution, which helps in removing any deposits or build-up that may be affecting the performance of the injectors. This kit is suitable for use in a wide range of car models, making it a versatile and convenient solution for fuel injector maintenance. With this kit, car owners can ensure that their fuel injectors are in optimal condition, resulting in improved engine performance and fuel efficiency.