The Hitachi Fuel Injector Kit - 135915 is a comprehensive kit that includes various products to assist with the maintenance and repair of a car's fuel injector system. This kit contains a variety of high-quality components, carefully selected to ensure optimal performance and compatibility with a wide range of vehicles. The kit includes fuel injectors, seals, o-rings, and other necessary hardware to replace or upgrade the fuel injectors in a car. This kit is designed to improve fuel efficiency, increase engine performance, and reduce emissions. It is a convenient and cost-effective solution for car owners looking to service their fuel injector system.