Japanese-made DENSO IRIDIUM POWER spark plugs, featuring a copper core center electrode for superior ignition performance. - Brand: DENSO - Model Name: IRIDIUM POWER - Type: Spark Plug - Made in: Japan - Features: Copper core center electrode * When purchasing, please provide your phone number as the item will be shipped via Sagawa Express. * Returns are not accepted. * Separate fees apply for remote islands in Okinawa Prefecture. Thank you for viewing.