Brisk Silver Racing Spark Plugs; Mild Boost (11-17 Mustang GT; 12-13 Mustang BOSS 302)Find parts that fit my vehicle

High Powered Performance. Keep your nitrous or forced inducted Mustangs high powered Coyote 5.0L V8 engine running smoothly and more efficiently with a brand new set of Brisk "Silver Racing" series spark plugs for a constant reliable spark power. These RR14S Brisk Silver Racing spark plugs are specifically engineered for use in 5.0L V8 Mustangs that are running mild nitrous or a medium boost supercharger or turbocharger setup.

Superior Design and Materials. Brisk Silver Racing spark plugs feature a high dielectric strength insulator and use a 1.5mm fine wire silver center electrode for its excellent electrical and thermal conductivity which in turn produces a more powerful spark. The tapered ground strap design allows for superior ignitability on hard to ignite fuels minimizing the chance fouling.

Application. This set of eight (8) Brisk Silver Racing Spark Plugs are specifically designed for the 2011-2017 GT and 2012-2013 BOSS Mustangs equipped with the Coyote 5.0L 4 valve V8 engine that are running a nitrous or medium boost force inducted setup.

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