The Beru Ignition Coil Kit - 135156 is a comprehensive set of products designed for use in a car's ignition system. This kit includes various components that work together to ensure proper ignition and combustion in the engine. The kit includes multiple ignition coils, which are responsible for converting the battery's low voltage into the high voltage needed to create a spark. It also contains spark plugs, which ignite the air/fuel mixture in the engine's cylinders. Additionally, the kit includes spark plug wires, which transfer the high voltage from the ignition coil to the spark plugs. All of these components work together to ensure efficient and reliable ignition in the car's engine. This kit is essential for maintaining the performance and overall health of a car's ignition system.