The Bosch Ignition Coil Service Kit - 140704 is a comprehensive kit designed for servicing the ignition coils of a car. It includes a variety of products that are essential for maintaining the proper functioning of the ignition system. The kit contains three main components: a set of ignition coils, a spark plug wire set, and a distributor cap and rotor. These components work together to provide the necessary spark for the engine to start and run smoothly.

The ignition coils are responsible for converting the low voltage from the battery into a high voltage needed to create a spark in the spark plugs. The spark plug wire set connects the ignition coils to the spark plugs, ensuring a proper flow of electricity. The distributor cap and rotor distribute the high voltage from the ignition coils to the correct spark plugs in the correct firing order.

In addition to these main components, the Bosch Ignition Coil Service Kit - 140704 also includes other necessary items such as spark plugs, gaskets, and seals. These are important for ensuring a proper seal and preventing any leaks that could affect the performance of the ignition system.

Overall, the Bosch Ignition Coil Service Kit - 140704 is a comprehensive and essential kit for maintaining the ignition system of a car. It includes all the necessary components and parts to keep the ignition system running smoothly and efficiently.