Brisk Silver Racing Spark Plugs; 450-599HP

• Brisk "Silver Racing" Series Spark Plugs
• Silver Center Electrode for More Power
• Recommended for 450-599 Flywheel Horsepower
• Brisk Part# 3VR14S
• 16mm Thread Pattern
• Fits 2005-2008 GT and Bullitt Mustangs w/ Black Coil Boots
• Sold as a Set of 8

High Powered Performance. Keep your Mustangs high powered 3-valve 4.6L 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 Brisk Silver Racing spark plugs are designed for use in Mustangs that are making 450 to 599 horsepower at the flywheel, perfect for Methanol injection, Forced induction and Nitrous applications.

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 2005-2008 GT and Bullitt Mustangs equipped with Black coil boots only.