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- Evo 7/8/9
- Engine
- OEM Mitsubishi Parts
- Drivetrain & Transmission
- Exhaust System Components
- Intercoolers and Piping
- Intake System
- Turbo System & Accessories
- Fuel System
- Ignition / Electronics
- Suspension
- Braking
- Gauges / Mounting
- Engine Management
- Exterior & Aero Accessories
- DEI
- Safety Equipment
- Interior Accessories
- RWD Conversions
- M & H Racemaster
- Toyota Corolla GR
- R35 GTR
- 1G DSM
- 2G DSM
- Evo X and Ralliart
- Apparel
- 22+ Ford Maverick 2.0
- The Freedom Shack
Ignition / Electronics
- Evo 7/8/9
- Engine
- OEM Mitsubishi Parts
- Drivetrain & Transmission
- Exhaust System Components
- Intercoolers and Piping
- Intake System
- Turbo System & Accessories
- Fuel System
- Ignition / Electronics
- Suspension
- Braking
- Gauges / Mounting
- Engine Management
- Exterior & Aero Accessories
- DEI
- Safety Equipment
- Interior Accessories
- RWD Conversions
- M & H Racemaster
- Toyota Corolla GR
- R35 GTR
- 1G DSM
- 2G DSM
- 22+ Ford Maverick 2.0
- Apparel
- Evo X and Ralliart
- Engine
- OEM Parts - Evo X Engine
- Drivetrain & Transmission
- Fuel System
- Intake / Exhaust
- Turbo System & Accessories
- Brakes & Accessories
- Suspension
- Gauges / Mounting
- Tuning & Engine Management
- Exterior & Aero Accessories
- Ignition / Electronics
- Interior Accessories
- M & H Racemaster
- OEM Parts - Evo X Fuel System
- The Freedom Shack
More info
HKS M-Series Super Fire Racing spark plugs are high performance Iridium plugs designed to handle advanced levels of tuning and provide Improved ignition performance, durability and anti-carbon build-up
M-Series Super Fire Spark Plugs Feature:
- 0.6mm Iridium Alloy Center Electrode - Iridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability.
- Outer Electrode with Platinum Chip - The Outer Electrode incorporates a square platinum chip which improves durability, and when combined with the iridium center electrode boosts ignition performance.
- Short Type Outer Electrode - (Anti-Vibration) The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.
- Thermal Edge - After long idling or various combustion conditions carbon buildup can occur causing misfires. The Thermal Edge of the ceramic insulator will discharge to help decrease carbon deposits.
- Spark Support Gap - Discharges will occur in the Spark Support Gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.
*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.