NGK Ruthenium HX spark plugs are top - notch for today's modern cars. With patented Ruthenium tech, they offer advanced tip design, high performance, and long life. These high - ignitability plugs, crafted from advanced OE technology, come with unique OEM DFE and PSPE tip designs. They ensure a more complete fuel burn, leading to quicker throttle response, smoother idle, and better cold starts. The ruthenium center electrode provides outstanding durability. This part fits a wide range of vehicles including Acura, BMW, Cadillac, and many others from various years and models.

Using these NGK Ruthenium HX spark plugs is easy. First, make sure your vehicle's engine is cool. Remove the old spark plugs carefully using a proper spark plug socket. Then, install the new ones, but don't over - tighten them. A snug fit is enough. As for maintenance, it's a good idea to check the spark plugs every once in a while, especially if you notice any changes in your vehicle's performance like rough idling or poor acceleration. When cleaning, use a soft brush to gently remove any debris. Remember, always keep the spark plugs dry. If you're unsure about anything, it's best to consult a professional mechanic.