Ultimate spark plug "M"

HKS Spark Plugs ignites faster with a predictable strong spark to improve fuel efficacy and achieve that best performance in any condition and environment. It’s very important to provide reliable ignition for an engine to perform at a maximum power. HKS Super Fire Racing Plug is the best plug item for extreme racing conditions that also will perfectly fit in the stock engine as well

Features

- 0.6mm Iridium Alloy Center Electrode

- Outer Electrode with Platinum Chip

- Short Type Outer Electrode (Anti-Vibration)

- Thermal Edge

- Spark Support Gap

Performance and Benefits:

- Increase ignition performance

- Improve durability in high load during circuit driving or aggressive tuning

- Thermal edge and Spark plug gap to prevent carbon builds up

Fitment:

- Golf GTI MKVII

- Subaru WRX STI EJ

Part Number: 

50003-M45IL