The product is a set of four NGK DILFR5A-11D spark plugs, featuring a laser iridium design for improved performance. Made in Japan, these spark plugs are designed to provide reliable ignition and enhance the overall performance of your vehicle. With the manufacturer part number 98376, these spark plugs are a quality product that meets or exceeds OE/OEM specifications for a perfect fit and long-lasting durability. Upgrade your ignition system with these high-quality spark plugs for improved engine function and efficiency.