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HKS Super Fire Racing M35i Spark Plug (Iridium)

HKS * generic picture
€20.99
Dispatched under 10 to 15 days, as of Thursday, July 2, 2026
This item is made in Japan !
This item is made in Japan !

HKS Super Fire Racing Spark Plug

  • Iridium cold spark plug
  • Application list: see below
  • Spark plug type: ISO
  • Heat range: NGK #7
  • For stock engines, sporty driving
  • Thread size: φ14×19 mm
  • Wrench size: 16 mm
  • HKS part no.: 50003-M35-I

HKS Super Fire Racing M Series Spark Plugs Specifications

Designed for both tuned and stock engines, the HKS Super Fire Racing M-series iridium spark plugs offer superior ignition performance, excellent durability and increased resistance to fouling.

Thanks to a reduced ignition voltage, these spark plugs deliver a more powerful spark, even under demanding conditions such as a lean fuel mixture or high boost pressure.

The design of these spark plugs and their next-generation materials improve their resistance to the high thermal and mechanical stresses encountered during intensive track use or in highly tuned engines.

Thermal Edge and Spark Support Gap technologies also limit carbon deposits, ensuring reliable and consistent ignition across a wide range of combustion conditions.

Please note: these spark plugs are sold individually; please adjust the quantity in your basket as required.

Application examples:

  • Honda Civic Type R EP3/FN2 - K20A
  • Honda Integra Type R DC2 - B18C
  • Honda NSX NA1/2 - C30A, C32B
  • Honda S2000 AP1/2 - F20C, F22C
  • Nissan 200SX/Silvia S13/14/15 - SR20DE(T)
  • Nissan 300ZX/Fairlady Z32 - VG30DE(TT)
  • Nissan Skyline R32/33/34 - RB25DE(T)
  • Subaru Impreza GC/GF - EJ20(T)
  • Subaru Impreza WRX & STI GD/GG - EJ20T
  • Suzuki Swift Sport ZC31S - M16A
  • Toyota Celica ST205 - 3S-GTE
  • Toyota Celica T230 - 1ZZ-FE, 2ZZ-GE
  • Toyota MR2 SW20 - 3S-G(T)E
  • Toyota MR-S ZZW30 - 1ZZ-FE
  • Toyota Supra JZA80 - 2JZ-G(T)E

Check the official HKS catalogue to find the right spark plug for your vehicle and its specifications.

Heat Range Conversion Chart

Characteristics

Manufacturer HKS

HKS

One of the leading Japanese brands, HKS are world famous for their wide range of auto tuning products. Created by Hasegawa-San and Kitagawa-San in 1973, the company uses the initials of it's founders, as well as their partner Sigma Automotive. Present in drifting, GT, drag racing or even rally, HKS offer all sorts of high performance parts : exhaust, transmission, engine components, electronics, etc.