Brisk Silver Racing RR15YS Spark Plug

***Price is Per Spark Plug*** Parameters: Thread Diameter 14mm Thread Reach 25mm-1" Hexagon 16mm-5/8" Seat Type Tapered Design Silver Racing Resistor Yes Projected No Heat Range  -  15 Popular application: 2011-2016 FORD Mustang 5.0 2011 Chevy Camaro V6 GEN 3 HEMI Engines 5.7L, 6.1L Dodge SRT 4, SRT 8, HEMI, Chrysler 300 Brisk Silver Racing Spark Plugs have a smaller diameter silver core and conventional open spark hook type earth electrode give an outstanding performance in igniting high octane fuel mixture associated with alternative fuels like CNG, LPG, Propane, E85 blend, Alcohol, LNG, Race Fuels and Nitro.  Silver metal is the single best material for a spark plugs core electrode, as it can dissipate heat fast, resulting in overall lower spark plug temperature and a more powerful spark. The stronger the spark the faster and better the flame front and flame speed giving smother higher RPM range in engines.  Our Silver Racing range works well with most aftermarket