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HKS

HKS SUPER FIRE RACING SPARK PLUG, ISO Type

  • Sale
  • $ 24



ALL PLUGS SOLD INDIVIDUALLY

*HKS S-Series Super Fire Racing Spark Plugs*

HKS S-Series Super Fire Racing Spark Plugs are high performance Iridium plugs designed to handle advanced levels of tuning and still offer easy start-up and smooth idling.

* 0.4mm diameter Iridium plug electrode core
* U-shaped grooved electrode
* S-Series Super Fire Spark Plugs are recommended for smooth cold starting, response and acceleration.


*M-Series Super Fire Spark Plugs*

HKS M-Series spark plugs are high performance Iridium plugs designed to provide improved ignition performance, durability and anti-carbon build-up.

* 0.6mm Iridium Alloy Center Electrode
* Outer Electrode with Platinum Chip
* Short Type Outer Electrode (Anti-Vibration)
* Thermal Edge
* Spark Support Gap

*M Series is recommended for reliable ignition, durability and anti-carbon buildup under high load. 

The Iridium alloy is used because of its durability and reliability.  On an average plug, a narrow core typically shortens life span of plug but with the intense durability of iridium there is no sacrifice in any longevity.  With a high melting point of 2454 degrees C, opposed to the 1769 degrees C of white gold, the electrode can tolerate the high levels of compression and minor knocking without any deterioration. A nickel coating on the housing also prevents the spark plug from premature deterioration.  The Iridium plugs are available for multiple applications and offered in “colder” heat ranges of 7 and up and specifically for rotary, heat ranges of 9 and up are offered.



QUICK SPECS

Heat Range: NGK # 9
Thread Size: 14mm × 19mm
Wrench Size: 16mm