Ignitions and Electrical› Ignition Components

NGK

NGK Single Iridium Spark Plug Box of 4 (LTR5IX-11)

$22.37

SKU: N003 4344

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Designed for performance, these NGK IX Iridium Series spark plugs feature a fine wire iridium center electrode for durability and stable spark in high-tech, high-performance engines. They include trivalent metal plating (anti-corrosion/seizing), corrugated ribs (flashover prevention), pure alumina silicate ceramic insulator (strength/heat transfer), copper core (heat removal), and triple seals (leakage prevention).

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandNGK
Part NumberN003 4344

Videos

Do Spark Plugs Matter? CHEAP vs EXPENSIVE | Engine Masters | MotorTrend

Do Spark Plugs Matter? CHEAP vs EXPENSIVE | Engine Masters | MotorTrend
Fake NGK Iridium Spark Plugs | How To Test!!

Fake NGK Iridium Spark Plugs | How To Test!!
What's the Difference Between These Spark Plugs? | Engine Masters

What's the Difference Between These Spark Plugs? | Engine Masters
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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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