This one new DENSO Auto Parts spark plug with part number 4508 is a high-quality replacement for your vehicle's ignition system. Made in Japan, it features a platinum TT design with a twin-tip technology and a platinum center electrode, as well as a gap of 0.040 inches and a titanium enhanced ground strap. It is a direct replacement with a product description of a spark plug, and it is suitable for various car and truck models. Upgrade your vehicle's ignition system with this reliable and durable DENSO spark plug.