The GB Remanufacturing Fuel Injector Kit - 135863 is a comprehensive kit designed specifically for fuel injectors in a car. It includes all the necessary components for a complete fuel injector replacement or repair, making it a convenient and cost-effective solution for car owners. The kit contains a set of fuel injectors, which are responsible for delivering fuel to the engine, ensuring proper combustion and performance. It also includes O-rings, seals, and gaskets to ensure a secure and leak-free installation. The kit may also include other components such as O-ring lubricant, fuel injector cleaner, and installation instructions. With this kit, car owners can easily replace or repair their fuel injectors without the hassle of purchasing individual parts. It is a reliable and high-quality solution for maintaining the fuel system of a car.