Spark Plug - HKS M50-HL - Grade 10

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  • translation missing: en.product.regular_price £21.60 (Ex-vat : £18.00)

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HKS Mi-Series Super Fire Racing Spark Plug -  HKS M50HL - Grade 10

HKS Mi-Series Long Reach 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.
  • Long Reach
  • Heat Range: 10



Guide: GT86 & BRZ when using Forced Induction


  • Nissan GTR R35 - 12/07>
  • Subaru BRZ 2012 On
  • Subaru BRZ 2017 On BRZ
  • Subaru Forester SJG - 11/12>
  • Subaru Levorg 1.6 FB16 VM4 06/14>
  • Subaru Levorg 2.0 FA20 VMG 06/14>
  • Subaru WRX S4 -VAG - 06/14>
  • Toyota GT86 2012 to 2016
  • Toyota GT86 2017 On
- Price is for 1 single spark plug