Brisk Racing RR15S Silver Racing Spark Plug - 14mm

Brisk Silver Racing Spark Plugs are the best solution for high performance and racing engines. Silver Spark Plugs provide many unique and beneficial characteristics: -Silver is the best electric & heat conductor -Superior ignition ability increases engine power -Lower required supplied ignition voltage Type Silver Racing Heat Range 15 Thread 14mm Reach 25mm-1" Hexagon 16mm-5/8" Seat Tapered Design Silver Center Electrode Resistor Yes Projected No Brisk's Silver Racing Spark Plugs are ideal for the following engines: -Race engines & engines with hard to ignite fuels -Supercharged/turbocharged/nitrous engines -Excellent for total loss ignition systems -High mileage vehicles