The product is a set of 8 Genuine NGK 3133 BPZ8HS-10 Standard Spark Plugs. These spark plugs are designed as Performance OEM Replacement Auto Parts and are meant for direct replacement in various vehicles. They have a hex thread ignition, heat range resistor, and solid surface finish. The pack includes 10 spark plugs and they can be placed on the front, rear, left, or right side of the vehicle. Compatible interchange part numbers include Champion Denso S739 and Bosch Autolite 72-34.