The Beru Ignition Tune-Up Kit - 135170 is a comprehensive kit designed to improve the performance and efficiency of a car's ignition system. It includes a variety of essential products to ensure that the car's ignition system is functioning at its best. The kit contains spark plugs, ignition wires, a distributor cap, and a rotor, all of which are crucial components of the ignition system. These parts work together to create the spark that ignites the fuel in the engine, allowing the car to start and run smoothly. By regularly replacing these parts, the car's ignition system can maintain optimal performance, resulting in better fuel efficiency and overall performance. This kit is a convenient and cost-effective solution for car owners looking to tune up their ignition system and keep their vehicle running at its best.