HKS Mi-Series Super Fire Racing Spark Plug - Mi35 Grade 7

Note - Price is for 1 single spark plug

HKS Mi-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.

HKS Mi Series Spark Plug Features:

• 0.6mm Iridium Alloy Centre Electrode. Iridium Alloy Centre 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 centre 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.
  
• Heat Range: 7
  

Fensport Tip: How to choose a sparkplug grade. (Guide Only)

For NA Cars:

Usually use a grade 6 for most road applications, a grade 7 can be used in hi compression race type cars, grade 8 in extreme rev/compression cars.

For Turbo Cars:

Grade 6 is usually for standard cars, Grade 7 mild upgrades usually 1.2 bar boost, Grade 8 above 1.2bar, Grade 9 above 1.6

Nitrous Oxide:

Usually a colder grade plug is often used when using nitrous oxide.

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