The GB Remanufacturing Fuel Injector Kit - 135866 is a comprehensive kit designed for servicing fuel injectors in a car. It includes various components such as injectors, seals, o-rings, and other necessary parts to replace or repair damaged or malfunctioning fuel injectors. The kit is suitable for a wide range of car models and can be used for both gasoline and diesel engines. It is a cost-effective solution for improving fuel efficiency and engine performance. The contents of the kit are carefully selected and of high quality, ensuring reliable and long-lasting results. This kit is a must-have for any car owner looking to maintain the optimal functioning of their vehicle's fuel system.