The product is a 10 piece Genuine NGK 3133 BPZ8HS-10 Standard Spark Plugs set, designed for direct replacement in gasoline engines. These spark plugs feature a thread diameter of 14mm and are made of nickel material. The spark plugs come with a 1-year manufacturer warranty and are designed with a hex thread ignition heat range resistor solid surface finish. This kit includes 10 spark plugs from the trusted brand NGK NTK Performance OEM Replacement Auto Parts, ensuring high quality and reliable performance.