Brisk Silver Racing Spark Plugs are the ultimate spark plug for your Mustang! These spark plugs are perfect for high compression, forced induction, and nitrous applications where maximum spark energy is required.
Unlike copper, platinum, or iridium designs, Brisk spark plugs feature a fine wire Silver center electrode, cut-back side ground electrode, and high dielectric strengh insulator for superior ignitability, low ignition voltage requirements, and high dielectric strength. What does that mean to you? It means you get a stronger, more intense spark for improved power and gas mileage!
Brisk Silver Racing spark plugs are colder than stock plugs and recommended for supercharged, turbocharged, and nitrous applications. Put these Silver Spark plugs in today and begin to get the most out of your Mustang!
There are three heat ranges offered for this spark plug. Part number 497-3VR17YS is recommended for applications up to 450 flywheel horsepower. Part number 497-3VR14S is a colder heat range and recommended for application at 450 flywheel horsepower and higher. 497-3VR12S is one step colder than the 14S and is recommended for 800 hp or greater.