Racing Spark Plugs (03-04 Mustang Cobra; 07-14 Mustang GT500)Find parts that fit my vehicle

High Performance. Keeping your Mustangs nitrous or force inducted engine running smoothly and efficiently is important, that is why it is critical to choose the correct spark plugs for your application. These Autolite Racing Hi-Performance Spark Plugs are one heat range colder than stock making them perfect for supercharged Mustangs that are running additional boost.

Superior Materials. Autolite Racing Hi-Performance Spark Plugs feature a copper core electrode for its superior conductivity and a chromium nickel alloy tip for a constant stable spark, perfect for keeping your Mustangs high-performance engine running at it's peak.

Application. This set of eight (8) One Heat Range Cooler Autolite Racing Spark Plugs are specifically designed for the 2003-2004 SVT Cobra and 2007-2014 Shelby GT500 Mustangs that are running more boost.

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