The GB Remanufacturing Fuel Injector Kit - 473970 is a comprehensive kit designed to service and repair the fuel injectors of a car. It includes multiple products that are essential for maintaining and improving the performance of the fuel injectors. The kit contains various components such as O-rings, seals, gaskets, and other necessary parts that are required for proper installation and functioning of the fuel injectors. Additionally, the kit also includes cleaning and lubricating solutions to ensure the longevity and efficiency of the fuel injectors. This kit is suitable for a wide range of car models and is an essential tool for any car owner or mechanic looking to maintain the fuel system of a vehicle.