This set of 5 spark plugs from Bosch is a great choice for anyone looking for reliable ignition for their vehicles. With a voltage of 70 V, these plugs ensure optimal performance and efficiency for your engine. The nickel material used in their construction also guarantees durability and longevity, making them a worthwhile investment. These spark plugs are compatible with a variety of vehicles, as indicated by the interchange part number 8642660. They are a direct replacement, so you can easily swap them out with your current spark plugs. Whether you're a professional mechanic or a DIY enthusiast, these Bosch spark plugs are a great addition to any workshop or tool kit.