Your trusted source of JDM parts shipped direct from Japan

Your trusted source of JDM parts shipped from Japan

JDM parts shipped direct from Japan

United States / USD
Select your country and currency for personalised pricing & shipping options: Select to personalise your pricing & shipping options: Your country & currency:
  • Cart 0 0

HKS Super Fire Racing

The HKS Super Fire spark plugs feature high quality Iridium performance, designed and tested to handle increased vehicle performance.
On Sale
In Stock
Size: 14x19mm 16mm - Type: ISO - Heat Range: 8 - 50003-M40I
Size: 14x19mm 16mm - Type: ISO - Heat Range: 8 - 50003-M40I
Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35
Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35
Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45
Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45
Size: 12x26.5mm 16mm - Type: XL - Heat Range: 8 - 50003-M40XL
Size: 12x26.5mm 16mm - Type: XL - Heat Range: 8 - 50003-M40XL
Size: 12x26.5mm 16mm - Type: XL - Heat Range: 9 - 50003-M45XL
Size: 12x26.5mm 16mm - Type: XL - Heat Range: 9 - 50003-M45XL
Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35
Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35
Size: 14x19mm 16mm - Type: ISO - Heat Range: 9 - 50003-M45I
Size: 14x19mm 16mm - Type: ISO - Heat Range: 9 - 50003-M45I
Size: 12x26.5mm 14mm - Type: HL - Heat Range: 10 - 50003-M50HL
Size: 12x26.5mm 14mm - Type: HL - Heat Range: 10 - 50003-M50HL
Size: 14x25mm 16mm - Type: Conical Long Reach - Heat Range: 8 - 50003-M40LF
Size: 14x25mm 16mm - Type: Conical Long Reach - Heat Range: 8 - 50003-M40LF
Size: 14x26.5mm 16mm - Type: Long Reach - Heat Range: 7 - 50003-M35iL
Size: 14x26.5mm 16mm - Type: Long Reach - Heat Range: 7 - 50003-M35iL
Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45
Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45
Size: 14x19mm 16mm - Type: ISO - Heat Range: 7 - 50003-M35i
Size: 14x19mm 16mm - Type: ISO - Heat Range: 7 - 50003-M35i
Size: 12x26.5mm 14mm - Type: HL - Heat Range: 9 - 50003-M45HL
Size: 12x26.5mm 14mm - Type: HL - Heat Range: 9 - 50003-M45HL
HKS - Super Fire Racing

The HKS Super Fire spark plugs feature high quality Iridium performance, designed and tested to handle increased vehicle performance through aftermarket tuning.

Features

  • 0.4mm diameter Iridium core
  • Grooved electrode and available in a number of heat ranges
  • Price is for a single plug, you need to increase quantity according to your vehicle 

HKS at our lowest prices ever!

HKS is now available at our lowest prices ever, delivered straight from Japan to anywhere in the world. HKS has the largest range of parts available including turbo kits, engine parts, electronics and many more.

This part usually ships 11 days after payment.

Product Size Type Heat Range   Price Order
50003-M40X
 12x19mm 16mm X 8
USD $ 16.52
USD $ 21.32
50003-M40HL
 12x26.5mm 14mm HL 8
USD $ 18.48
USD $ 24.23
50003-M45HL
 12x26.5mm 14mm HL 9 - Size: 12x26.5mm 14mm - Type: HL - Heat Range: 9 - 50003-M45HL
USD $ 18.48
USD $ 24.23
50003-M50HL
 12x26.5mm 14mm HL 10 - Size: 12x26.5mm 14mm - Type: HL - Heat Range: 10 - 50003-M50HL
USD $ 18.48
USD $ 24.23
50003-M40XL
 12x26.5mm 16mm XL 8 - Size: 12x26.5mm 16mm - Type: XL - Heat Range: 8 - 50003-M40XL
USD $ 18.48
USD $ 24.23
50003-M45XL
 12x26.5mm 16mm XL 9 - Size: 12x26.5mm 16mm - Type: XL - Heat Range: 9 - 50003-M45XL
USD $ 18.48
USD $ 24.23
50003-M45RE
 14x12.7mm 20.8mm RE 9
USD $ 27.13
USD $ 36.83
50003-M50RE
 14x12.7mm 20.8mm RE 10
USD $ 27.13
USD $ 36.83
50003-M525RE
 14x12.7mm 20.8mm RE 10.5
USD $ 27.13
USD $ 36.83
50003-M35i
 14x19mm 16mm ISO 7 - Size: 14x19mm 16mm - Type: ISO - Heat Range: 7 - 50003-M35i
USD $ 16.52
USD $ 21.32
50003-M40I
 14x19mm 16mm ISO 8 - Size: 14x19mm 16mm - Type: ISO - Heat Range: 8 - 50003-M40I
USD $ 16.52
USD $ 21.32
50003-M45I
 14x19mm 16mm ISO 9 - Size: 14x19mm 16mm - Type: ISO - Heat Range: 9 - 50003-M45I
USD $ 16.52
USD $ 21.32
50003-M35
 14x19mm 16mm JIS 7 - Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35 - Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35
USD $ 16.52
USD $ 21.32
50003-M40
 14x19mm 16mm JIS 8
USD $ 16.52
USD $ 21.32
50003-M45
 14x19mm 16mm JIS 9 - Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45 - Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45
USD $ 16.52
USD $ 21.32
50003-M35G
 14x19mm 20.8mm G 7
USD $ 16.52
USD $ 21.32
50003-M40G
 14x19mm 20.8mm G 8
USD $ 16.52
USD $ 21.32
50003-M45G
 14x19mm 20.8mm G 9
USD $ 16.52
USD $ 21.32
50003-M35LF
 14x25mm 16mm Conical Long Reach 7
USD $ 18.48
USD $ 24.23
50003-M40LF
 14x25mm 16mm Conical Long Reach 8 - Size: 14x25mm 16mm - Type: Conical Long Reach - Heat Range: 8 - 50003-M40LF
USD $ 18.48
USD $ 24.23
50003-M35iL
 14x26.5mm 16mm Long Reach 7 - Size: 14x26.5mm 16mm - Type: Long Reach - Heat Range: 7 - 50003-M35iL
USD $ 16.52
USD $ 21.32
50003-M40iL
 14x26.5mm 16mm Long Reach 8
USD $ 16.52
USD $ 21.32
50003-M45iL
4 in stock and ready to ship!
 14x26.5mm 16mm Long Reach 9
USD $ 16.52
USD $ 21.32
Product   Order
Size: 12x19mm 16mm
Type: X
Heat Range: 8
50003-M40X
USD $ 16.52
USD $ 21.32
Size: 12x26.5mm 14mm
Type: HL
Heat Range: 8
50003-M40HL
USD $ 18.48
USD $ 24.23
- Size: 12x26.5mm 14mm - Type: HL - Heat Range: 9 - 50003-M45HL
Size: 12x26.5mm 14mm
Type: HL
Heat Range: 9
50003-M45HL
USD $ 18.48
USD $ 24.23
- Size: 12x26.5mm 14mm - Type: HL - Heat Range: 10 - 50003-M50HL
Size: 12x26.5mm 14mm
Type: HL
Heat Range: 10
50003-M50HL
USD $ 18.48
USD $ 24.23
- Size: 12x26.5mm 16mm - Type: XL - Heat Range: 8 - 50003-M40XL
Size: 12x26.5mm 16mm
Type: XL
Heat Range: 8
50003-M40XL
USD $ 18.48
USD $ 24.23
- Size: 12x26.5mm 16mm - Type: XL - Heat Range: 9 - 50003-M45XL
Size: 12x26.5mm 16mm
Type: XL
Heat Range: 9
50003-M45XL
USD $ 18.48
USD $ 24.23
Size: 14x12.7mm 20.8mm
Type: RE
Heat Range: 9
50003-M45RE
USD $ 27.13
USD $ 36.83
Size: 14x12.7mm 20.8mm
Type: RE
Heat Range: 10
50003-M50RE
USD $ 27.13
USD $ 36.83
Size: 14x12.7mm 20.8mm
Type: RE
Heat Range: 10.5
50003-M525RE
USD $ 27.13
USD $ 36.83
- Size: 14x19mm 16mm - Type: ISO - Heat Range: 7 - 50003-M35i
Size: 14x19mm 16mm
Type: ISO
Heat Range: 7
50003-M35i
USD $ 16.52
USD $ 21.32
- Size: 14x19mm 16mm - Type: ISO - Heat Range: 8 - 50003-M40I
Size: 14x19mm 16mm
Type: ISO
Heat Range: 8
50003-M40I
USD $ 16.52
USD $ 21.32
- Size: 14x19mm 16mm - Type: ISO - Heat Range: 9 - 50003-M45I
Size: 14x19mm 16mm
Type: ISO
Heat Range: 9
50003-M45I
USD $ 16.52
USD $ 21.32
- Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35 - Size: 14x19mm 16mm - Type: JIS - Heat Range: 7 - 50003-M35
Size: 14x19mm 16mm
Type: JIS
Heat Range: 7
50003-M35
USD $ 16.52
USD $ 21.32
Size: 14x19mm 16mm
Type: JIS
Heat Range: 8
50003-M40
USD $ 16.52
USD $ 21.32
- Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45 - Size: 14x19mm 16mm - Type: JIS - Heat Range: 9 - 50003-M45
Size: 14x19mm 16mm
Type: JIS
Heat Range: 9
50003-M45
USD $ 16.52
USD $ 21.32
Size: 14x19mm 20.8mm
Type: G
Heat Range: 7
50003-M35G
USD $ 16.52
USD $ 21.32
Size: 14x19mm 20.8mm
Type: G
Heat Range: 8
50003-M40G
USD $ 16.52
USD $ 21.32
Size: 14x19mm 20.8mm
Type: G
Heat Range: 9
50003-M45G
USD $ 16.52
USD $ 21.32
Size: 14x25mm 16mm
Type: Conical Long Reach
Heat Range: 7
50003-M35LF
USD $ 18.48
USD $ 24.23
- Size: 14x25mm 16mm - Type: Conical Long Reach - Heat Range: 8 - 50003-M40LF
Size: 14x25mm 16mm
Type: Conical Long Reach
Heat Range: 8
50003-M40LF
USD $ 18.48
USD $ 24.23
- Size: 14x26.5mm 16mm - Type: Long Reach - Heat Range: 7 - 50003-M35iL
Size: 14x26.5mm 16mm
Type: Long Reach
Heat Range: 7
50003-M35iL
USD $ 16.52
USD $ 21.32
Size: 14x26.5mm 16mm
Type: Long Reach
Heat Range: 8
50003-M40iL
USD $ 16.52
USD $ 21.32
Size: 14x26.5mm 16mm
Type: Long Reach
Heat Range: 9
50003-M45iL
4 in stock and ready to ship!
USD $ 16.52
USD $ 21.32
Yes! We ship to the United States and 150 other countries worldwide!

Add parts to your shopping cart and begin checkout to select from Japan Post EMS & ePacket, Fedex, DHL and more shipping options.

Best Price Guarantee

If you're able to find a better price shipped from Japan contact us and we'll beat it, all fees included.

Associated JDM Parts

On Sale
In Stock
HKS - Super Fire Racing

HKSSuper Fire Racing

from USD $ 16.52
On Sale
NGK - Racing Spark Plugs - R2556

NGKRacing Spark Plugs - R2556

USD $ 28.79
Universal
On Sale
APEXi - Exhaust Control Valve

APEXiExhaust Control Valve

from USD $ 51.49
On Sale
In Stock
APEXi - Power FC & EL Hand Controller Set

APEXiPower FC & EL Hand Controller Set

USD $ 817.40
On Sale
APEXi - Power FC D-Jetro - Complete Kit

APEXiPower FC D-Jetro - Complete Kit

from USD $ 817.40
On Sale
ATS - Carbon Clutch - Single Plate

ATSCarbon Clutch - Single Plate

from USD $ 1,199.24
On Sale
In Stock
Bee R - Rev Limiter

Bee RRev Limiter

from USD $ 219.61
On Sale
Bride - Stradia II - Japan - Venus

BrideStradia II - Japan - Venus

USD $ 1,445.45

Help

Product Reviews Product Reviews

Trustpilot