The GB Remanufacturing Fuel Injector Kit - 135874 is a comprehensive kit designed for servicing and replacing fuel injectors in a car. It includes various components that are essential for maintaining the fuel injection system of a car. The kit contains a set of fuel injectors, which are responsible for delivering fuel to the engine at the correct pressure and timing. It also includes seals and O-rings, which help to prevent leaks and ensure a proper seal between the injectors and the engine. The kit also includes a fuel filter, which helps to remove impurities from the fuel before it reaches the injectors. In addition, the kit contains all necessary hardware and gaskets for installation. This kit is a cost-effective solution for replacing worn or malfunctioning fuel injectors and ensuring the smooth operation of a car's engine.