The Delphi Ignition Service Kit - 474285 is a comprehensive kit designed to service the ignition system of a car. It includes a variety of products that are essential for maintaining and improving the performance of the ignition system. The kit contains a spark plug set, an ignition coil, and a distributor cap. These components work together to provide the necessary spark for the engine to start and run smoothly. The kit also includes a set of spark plug wires, which are responsible for delivering the electrical current from the ignition coil to the spark plugs. Additionally, the kit contains a set of ignition points, which are responsible for controlling the timing of the spark. With all these components, the Delphi Ignition Service Kit - 474285 provides everything needed to ensure a reliable and efficient ignition system for a car.