{"product_id":"3v-set-of-8-spark-plugs","title":"3V Set of 8 Spark Plugs","description":"The Ford Performance M-12405-3V0A spark plug set is engineered for demanding 3-valve Ford engines. This kit includes eight spark plugs with a 16mm thread size, specifically designed for 2005-2008 3V heads. These plugs are ideal for applications experiencing higher-than-stock cylinder combustion pressures or sustained high RPM operation, offering enhanced performance and durability under stress.\n\nThe unique design of these spark plugs is proprietary to Ford's 3-valve engine architecture. They are manufactured to run one heat range colder than the stock Mustang GT plug and two heat ranges colder than the stock 5.4L-3V truck engine plug, which helps prevent pre-ignition and detonation in high-performance scenarios.\n\nCompatibility Note: These plugs are for 2005-2008 3V heads with the 16mm thread size. For 2008 and newer 3V heads that use a 12mm thread, use M-12405-3V12MM spark plugs. Identification of the correct spark plug thread size for 2008 models can be done by checking the coil engineering number: 3L3E for early style 16mm \"High Thread\" plugs, and 8L3E for late style 12mm plugs. All 2009-2010 engines utilize 12mm spark plugs.","brand":"Ford Performance","offers":[{"title":"Default Title","offer_id":52688402055480,"sku":"M-12405-3V0A","price":125.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/664710602.jpg?v=1784889615","url":"https:\/\/store.motormia.co\/products\/3v-set-of-8-spark-plugs","provider":"MOTORMIA","version":"1.0","type":"link"}