A spark plug is a device mounted on the top of the cylinders of your internal combustion engine. This device is mainly used to conduct the electric spark during the ignition. In order for this device to perfectly perform its task, it is driven by enough supply of electric current that will be used to create the electric spark. Hence, the spark plug is fed by current signals in order to do its task. But in doing so, it needs to have precise timing with all the other components of the ignition system. On the other hand, if your vehicle’s spark plug is wearing or somehow defective, it will have poor functioning capability. When this happens, you will need to replace them with a new one. As you do, do not simply have any common spark plug that only promises long lasting quality service for your Rover Discovery; but settle for the Bosch made spark plugs platinum2. And for even better performance, have the Rover Discovery Bosch spark plug platinum 2 as it is the kind of spark plug best for your Rover. Installation of this product will definitely give your SUV the kind of ignition performance you will definitely enjoy. So, grab of one of this from our wide selection, now. We assure you that its installation will be so easy that you can even do it on your own.