Parts Finder Main (New)


Special Order: Quantity of 278 available for arrival here Friday June 25th 2021 at 11:00AM

This is NOT product that is onroute to us already, it must be ordered from us, once you order, we will order from supplier that has the stock and the availability as listed on the product description.

This displayed ETA is still an estimation. Our supplier(s) have stock we're giving you the regular and typical ETA from that supplier.

If you're ordering a higher quantity then the quantity shown, please email us at [email protected] with the SKU or direct link and the quantity you're interested and we will confirm lead time.


HKS is the first to release the high heat range tuning spark plug M12 long reach HEX size 14 for 86, BRZ and GT-R to the market.

  • R35 GT-R stock's heat range is the same as NGK 8, NGK 9 to 86/BRZ, and the new HKS M50HL is the same as NGK 10. It's for a high tuning vehicles.
  • Reinforced by making the outer electrode bigger(see the pictures below). Also could have a steady ignition and ignition speed at a high load and high RPM by putting the center electrode in the middle of the spark plug.
  • Improved the anti-taint property by making thermal edge to prevent the carbon buildup which occurs for the tuned engines.

* Ensured wide area of combustion by optimizing the position of the outer electrode and central electrode. It has a more efficient flame spread than the normal iridium spark plug.

Write Your Own Review
You're reviewing:HKS SUPER FIRE RACING (M SERIES) Spark Plug


Year Make Model Submodel
2008 Infiniti G35 Base
2008 Infiniti G35 Journey
2008 Infiniti G35 Sport
2008 Infiniti G35 X
2007 Infiniti G35 Base
2007 Infiniti G35 Journey
2007 Infiniti G35 Sport
2007 Infiniti G35 X
2006 Infiniti G35 Base
2006 Infiniti G35 X
2005 Infiniti G35 Base
2005 Infiniti G35 X
2004 Infiniti G35 Base
2004 Infiniti G35 X
2003 Infiniti G35 Base