The product is a pack of 8 Denso 5340 Iridium Power Spark Plugs. These spark plugs are designed by the reputable brand Denso and are known for their high-quality performance. The manufacturer part number 5340 identifies the specific model of the spark plugs. Additionally, there is a California Prop 65 Warning regarding nickel content, ensuring consumers are aware of potential health risks associated with the product. Ideal for car and truck owners looking to replace their spark plugs with reliable and durable components.