HKS M45i Spark Plug Heat Range 45 Silvia S15 Skyline WRX STI - 50003-M45I
$43.99
$43.99

HKS Super Fire Racing M45i Spark Plug Heat Range 45 Nissan Silvia S15 / Skyline R34 / Subaru WRX STI GDB - 50003-M45I

Part Number: HKS50003-M45I
Authorized HKS Dealer Ships from Calgary

Warehouse Icon Inventory Location: Boost Factory Calgary Canada

Stock: 12

12

HKS Super Fire Racing M45i spark plug, part number 50003-M45I, heat range 45 (NGK #9 equivalent), a colder plug for tuned engines.

  • i type (ISO): thread diameter 14 mm, reach 19 mm, 16 mm wrench size
  • 0.6 mm iridium alloy center electrode
  • Square platinum chip on a shortened, tapered outer electrode
  • Thermal edge on the ceramic insulator to reduce carbon deposits that cause misfires
  • Spark support gap between the insulator tip and the base of the outer electrode

Popular fitments

Vehicle Chassis Engine Years Stock heat range Source
Nissan Silvia S15 SR20DE / SR20DET 01/1999 - 08/2002 6 HKS Japan Nissan chart
Nissan Silvia S14 / CS14 SR20DE / SR20DET 10/1993 - 01/1999 6 HKS Japan Nissan chart
Nissan Skyline ER34 RB25DET 05/1998 - 04/2001 6 HKS Japan Nissan chart
Nissan Skyline ECR33 RB25DET 09/1993 - 05/1998 5 HKS Japan Nissan chart
Nissan 180SX RPS13 / KRPS13 SR20DET 01/1991 - 12/1998 6 HKS Japan Nissan chart
Subaru Impreza WRX STI GDB / GGB EJ20 (turbo) 10/2000 - 09/2007 7 HKS Japan Subaru chart
Subaru Impreza WRX GDA / GGA EJ20 (turbo) 08/2000 - 06/2007 6 HKS Japan Subaru chart
Honda S2000 AP1 / AP2 F20C / F22C 04/1999 - 08/2009 7 HKS Japan Honda chart
Honda Civic Type R EK9 / EP3 / FD2 / FN2 B16B / K20A 08/1997 - 11/2015 7 HKS Japan Honda chart
More fitments
Vehicle Chassis Engine Years Stock heat range Source
Nissan Silvia PS13 / KPS13 SR20DE / SR20DET 01/1991 - 10/1993 6 HKS Japan Nissan chart
Nissan Fairlady Z Z32 / GZ32 VG30DE 07/1989 - 08/2000 6 HKS Japan Nissan chart
Nissan Fairlady Z CZ32 / GCZ32 VG30DETT 07/1989 - 08/2000 6 HKS Japan Nissan chart
Honda NSX NA1 C30A 09/1990 - 12/2005 6 HKS Japan Honda chart
Honda NSX NA2 C32B 02/1997 - 12/2005 6 HKS Japan Honda chart
Subaru Impreza WRX GC8 EJ20 (turbo) 11/1992 - 08/2000 6 HKS Japan Subaru chart
Subaru Forester SG5 EJ20 (turbo) 02/2002 - 12/2007 6 HKS Japan Subaru chart
Subaru Legacy B4 BE5 EJ20 (turbo) 12/1998 - 04/2003 6 HKS Japan Subaru chart
Honda Integra Type R DC2 / DB8 / DC5 B18C / K20A 10/1995 - 02/2007 7 HKS Japan Honda chart

Hundreds more applications are listed on the HKS Japan application chart for the M series.

HKS resources:

Contact us if you are unsure of fitment or Size HERE

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