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NGK Iridium/Platinum Spark Plug Box of 4 (DILKAR8A8)

NGK Iridium/Platinum Spark Plug Box of 4 (DILKAR8A8)

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$73.82at Raptor RacingChecked Nov 9

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Price facts

  • Last seen at $73.82 at Raptor Racing on Nov 9.

Our take on the NGK Iridium/Platinum Spark Plug Box of 4 (DILKAR8A8)

The NGK DILKAR8A8 is an OE-spec Laser Iridium High Ignitability spark plug sold in a box of four. It pairs an iridium-tipped center electrode with a platinum pad or fine-wire tip on the ground electrode, which NGK says gives even wear and stronger spark in distributorless ignition. It is the plug specified for the Nissan GT-R (R35) across 2009-2020 trims, so it suits owners doing scheduled ignition service who want the factory plug rather than a generic replacement. Against standard platinum or copper plugs it trades a higher cost for longer service life and consistent starts.

Best forNissan GT-R (R35) owners doing scheduled plug changesDrivers who want the factory-specified plug, not a generic oneTurbo and high-boost engines that stress ignition partsOwners replacing all plugs at once (box of four)
Pros
  • Iridium center electrode rated six times harder than platinum
  • Platinum tip on the ground electrode for even wear
  • Pure alumina ceramic and 98% copper core resist overheating
  • OE-spec plug for the R35 GT-R, so no guessing on heat range
  • Box of four covers a full set on this engine
Cons
  • Iridium plugs cost more than standard platinum or copper
  • Specific to the GT-R application, not a universal plug
  • Gap and torque must be set correctly or performance suffers
  • Counterfeit NGK plugs are common, so source matters

NGK Iridium/Platinum Spark Plug Box of 4 (DILKAR8A8) prices at every store

  • Raptor RacingNew

    In stockShips from Canada · duties may applyReturn policy

    $73.82Checked Nov 9
    Visit Raptor Racing

What reviewers say

GT-R owners generally treat the DILKAR8A8 as the correct factory plug and report smooth idle and clean running when it is installed to spec. Complaints center on cost and on fakes sold online rather than on the plug's performance.

What people mention
  • FitmentPraisedOwners say it drops into the R35 GT-R as the factory-specified plug with no adaptation.
  • Ignition performancePraisedDrivers report smooth idle and clean running under boost after fitting a fresh set.
  • CostCriticisedIridium plugs draw complaints for costing more than standard platinum or copper plugs.
  • CounterfeitsCriticisedBuyers warn that fake NGK plugs circulate, so the box and markings need checking.
  • Service lifeMixedThe plug is durable, but the GT-R's short replacement interval means owners change them often.

About the NGK Iridium/Platinum Spark Plug Box of 4 (DILKAR8A8)

NGK Laser Iridium High Ignitability spark plugs are made for OE applications. They are tested to high standards for quality and durability. This box contains 4 plugs, part number DILKAR8A8.

The center electrode has an iridium tip, which is described as six times harder than platinum. The ground electrode has a raised platinum pad or a platinum fine wire tip. This gives even wear in distributorless ignition systems and improved spark performance.

The plugs use high-grade pure alumina ceramic and a core of 98 percent pure copper. This construction helps keep the plug from overheating and supports reliable starts.

Brand
NGK
Part number
DILKAR8A8
Type
Laser Iridium High Ignitability spark plug
Quantity
Box of 4
Center electrode
Iridium tip
Ground electrode
Raised platinum pad or platinum fine wire tip
Insulator
High-grade pure alumina ceramic
Core
98 percent pure copper
Ignition system
Suited to distributorless ignition systems
Fits
Nissan GT-R: 2020 50th Anniversary Edition; 2009-2010 Base; 2012-2016 Black Edition; 2015-2020 Nismo; 2009-2020 Premium; 2018-2019 Pure; 2014-2015 and 2018-2020 Track Edition

Questions and answers

Is this the right plug for my Nissan GT-R?
It is listed for the R35 GT-R from 2009 to 2020, including Base, Premium, Black Edition, Nismo, Pure, Track Edition and 50th Anniversary trims. Confirm your year and trim before ordering.
How many plugs do I need for a GT-R?
The GT-R uses six cylinders, so a box of four is not a full set. You need two boxes to cover all six.
Do I have to gap these plugs?
They come pre-gapped for the application. Check the gap before installing and avoid bending the iridium tip.
How is this different from a standard platinum plug?
The center electrode is iridium, which NGK rates six times harder than platinum, and the ground electrode has a platinum tip for even wear. That gives longer life and steadier spark in distributorless ignition.
How often should they be replaced?
Follow the GT-R's factory service interval for plugs rather than stretching them. Turbocharged, high-boost use wears plugs faster than normal driving.
How do I avoid counterfeit NGK plugs?
Buy from a reputable seller and check the box printing, part number and electrode finish against NGK's guidance.
Where is the NGK Iridium/Platinum Spark Plug Box of 4 (DILKAR8A8) cheapest?
At Raptor Racing, for $73.82, as of our latest check.

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