DENSO IRIDIUM TOUGH DENSO Iridium Tough spark plugs VK20 (V9110-5604), 4 brand new, unused plugs. Please check the manufacturer's website for compatibility information. Please confirm compatibility yourself before purchasing. These are unused items, but please understand that they have been stored by an individual. (Please forgive any minor scratches, etc., that may have occurred during storage.) For those seeking a perfect item or those who are overly sensitive, please refrain from purchasing. DENSO DENSO Iridium Tough IRIDIUM TOUGH VK20 V9110-5604 V91105604 Spark plug