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Brisk Racing HEMI Spark Plugs RR12S – 16 Plug Package



(NON-Projected Tip)

Brisk’s Silver Racing Spark Plugs are the best solution for high performance and racing engines. These plugs offer the best thermal and electrical conductor of all metals, Silver, which provides an unmatched transfer of electricity and heat, resulting in the most powerful spark. Silver racing spark plugs feature many benefits commonly used in forced induction applications, applications where the ignition system is pushed to the limit and applications with hard to ignite fuels such as alcohol, LPG, Nitro-methane, etc.. The ‘spark’ produced is so powerful that it burns nanoparticles of the silver center electrode, which further increases the spark energy and ignition ability. Silver racing spark plugs are the most versatile spark plugs produced by Brisk!


  • Best Electric and Heat Conductor.
  • Silver Fine Wire Center Electrode.
  • Tapered Ground Electrode.
  • Special High Dialectic Strength Insulator.
  • Superior Ignition Ability.
  • Good Resistance to Fouling.
  • Combustion Chamber Efficiency.
  • Excellent for Total Loss Ignition Systems.
  • Lower Required Supplied Ignition VoltageĀ : beneficial for easier cold starts and
    operation under partially fouled spark plug condition caused by prolonged idling,
    A/F management problems or oil consumption. Also for applications where the
    stock ignition system is pushed to the limit, helping to eliminate the need to upgrade
    the ignition system.Silver Racing Spark Plug
  • 14mm Thread
  • 25mm-1″ Reach
  • Resistor
  • Non-Projected
  • Tapered Seat
  • Heat Range: 10
  • 1/pkg

Brisk Racing Silver plugs rated 3 to 4 steps colder than stock. For 6.1L / 5.7L HEMI. We recommend these plugs for all forced induction and nitrous applications from 800 to 1000 RWHP cars. Sold as a set of 16. BRISK Silver Racing RR12S Spark Plug 14mm thread, 25mm reach, 5/8′(16mm) hex, tapered seat, non-projected tip, resistor, fine wire 1.5mm Silver center, Cut-back ground electrode. Brisk Silver Racing plugs have a better ignitability than conventional performance spark plugs, and offer better performance and reliability in high boost, nitrous or high compression applications. Silver is an element with the most free electrons, and is the best electrical and thermal (heat) conductor of all metals! Better than gold, copper …and many times better than Iridium. The Brisk Silver Racing plugs have a fine wire center electrode (not just the tip), which gives more room for insulator between the center electrode and spark plug shell. More insulation results in a durable spark plug with high dielectric strength – the most important spark plug parameter in forced induction applications. In street applications, the greatest advantage is a powerful spark, improved performance, low ignition voltage requirements, excellent heat dissipation at full load and excellent anti-fouling resistance under light load operation.


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