Spark plugs are devices that appear like oxygen sensor but they are included in the ignition system. These performance parts are situated on top of the internal cylinder. At its location, it can perfectly perform its supposed functions for the power making of your engine inside the vehicle. Mainly, the spark plug is used to induct sufficient electric current during the pre-ignition process, which helps the engine to efficiently perform its four stroke power production, especially the third stroke. Therefore, keeping this auto performance part on its tough working condition will allow you to experience optimum starting process. In connection to its working condition, spark plug malfunctioning may be affected by frequent misfiring or insufficient supply of current loads. In the long run, if this situation is continued or is neglected, it will lead to further spark plug damage that will require you for immediate replacement. In acquiring for a replacement, you must have the quality kind of spark plug. One of the finest qualities is the NGK spark plug BUR7EQ. Having this product on your vehicle will define your vehicle’s performance. Here, we can provide you with the Mazda RX7 NGK spark plug BUR7EQ you need for reviving the performance of your sporty elegant model. We assure you that this is the specific type you need for it and we can also guarantee its proper working efficiency with the rest of your stock parts.