Brisk Silver Racing GR12YS Spark Plug

GR12YS Brisk Racing Silver Spark Plug Brisk SKU  -  GR12YS Parameters: Thread Diameter 14mm Thread Reach 18mm-.708" Hexagon 16mm-5/8" Seat Type Tapered Design Silver Racing Resistor Yes Projected Yes Heat Range  -  12 Brisk GR12YS Replaces:NGK TR8Popular Applications:Chevy LSx Ford 4.6/5.4 2-Valve and 4-Valve enginesBrisk GR12YS Silver Racing Spark plug is designed for forced induction applications and nitrous applications. Brisk GR12YS Silver Racing Spark Plug replaces NGK heat range 8. Most popular applications are modified Ford Lightining and Harley trucks, Ford Mustang Cobra & GTO. 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 dis