Set of 4 NGK R-2556G-9 Spark Plugs

$165.00 USD Sale Save

Fits the following vehicles:

  • Hyundai/Kia 1.6T Gamma
  • Hyundai N Cars
  • No warranty available from SXTH Element.
  • See Terms and Conditions for additional warranty information.

Some products offered by SXTH Element and SXTHNK are not capable of shipping to states that have adopted the C.A.R.B. Standard. Those products can include anything induction or exhaust related. If this product is incapable of shipping to your location, you will not be able to checkout with it. More information can be found in the link below.

C.A.R.B. & E.P.A Information

WARNING: May contain items that are found to have compounds and/or chemicals known to the State of California to cause cancer, birth defects, and reproductive harm.

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NGK Racing Series plugs are engineered to withstand the harshest engine conditions.

At a NGK Heat Range 9 equivalent, these plugs will ensure there is less heat when you are making more power. We highly recommend this plug when running our Tunes!

Here is a good article on Spark Plug basics by NGK.

Fine wire iridium tipped center electrode and platinum tipped ground electrode improve ignitability, increase durability and enhance anti fouling capabilities. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.

  • Thread Diameter12mm
  • Thread Pitch1.25mm
  • Seat TypeGasket
  • Reach26.5mm (1.04")
  • Hex Size5/8" (16mm)
  • Terminal TypeSolid
  • Gap.028" (0.7mm)
Center Electrode
  • MaterialIridium
  • TypeFine Wire
  • Size0.6mm
  • ProjectionRecessed
Ground Electrode
  • MaterialPlatinum
  • TypeSlant
  • Quantity1
  • ResistorYes
  • Resistor Value5k Ohm
  • Heat Range9
  • Torque SpecsCast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.
Part Information
  • BrandNGK/NTK
  • Warranty60 Days