The Bosch Ignition Service Kit - 472142 is a comprehensive kit designed for servicing the ignition system of a car. This kit includes a variety of high-quality products that are essential for maintaining the performance and functionality of the ignition system. The kit contains a spark plug set, ignition coil, and distributor cap, which are all crucial components in the ignition system. Additionally, it also includes a set of ignition wires, which are responsible for delivering the electrical current from the ignition coil to the spark plugs. This kit is designed to provide all the necessary components for a complete ignition service, making it a convenient and efficient solution for car owners.