Ford Performance 3.5L Ecoboost Colder Spark plugs M-12405-35T Ford Performance Ecoboost 3.5L Colder spark plugs are designed to prevent detonation and misfires in high performance Ford Ecoboost engines. These plugs are the SP-583 spark plugs used in the 2017 Ford GT 650 HP supercar... MSRP: Was: Now: $58.00
Ford Performance 5.0L Coyote Cold Iridium Spark plugs M-12405-M50A Looking to Supercharge your 2011+ Coyote 5.0L Mustang or F-150? Ford Performance offers a 1 heat range colder Iridium style spark plugs with a more robust construction for high power applications! Great for Superchargers, Turbos, or... MSRP: Was: Now: $80.00
Ford Performance 5.0L Coyote Cold Spark plugs M-12405-M50 2011-2015 5.0L 4V Supercharger Spark Plugs M-12405-M50 Recommended for use with 2011-2015 Mustang GT 5.0L supercharger applications. One heat range colder than the stock 2011-2015 Mustang GT 5.0L 4V spark plugs. Sold in set of 8. Also works with... MSRP: Was: Now: $89.00
