# NGK Iridium IX Spark Plug Box of 4 (LZKR6AIX)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

-   RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
-   Trivalent metal plating for superior anti-corrosion and anti-seizing properties
-   Outstanding acceleration, high fuel efficiency and durability
-   Fine iridium tip ensures durable and consistent spark

This Part Fits:

Year

Make

Model

Submodel

2012-2015

Hyundai

Accent

GLS

2012-2015

Hyundai

Accent

GS

2018-2019

Hyundai

Accent

Limited

2012-2014,2016-2019

Hyundai

Accent

SE

2018-2019

Hyundai

Accent

SEL

2015-2017

Hyundai

Accent

Sport

2017

Hyundai

Accent

Value Edition

2011

Hyundai

Elantra

GLS

2011

Hyundai

Elantra

Limited

2009

Hyundai

Genesis

3.8

2012-2017

Hyundai

Veloster

Base

2014-2015

Hyundai

Veloster

RE:FLEX

2017

Hyundai

Veloster

Value Edition

2009

Kia

Borrego

EX

2009

Kia

Borrego

LX

2012-2018

Kia

Rio

EX

2012-2019

Kia

Rio

LX

2018-2019

Kia

Rio

S

2012-2017

Kia

Rio

SX

2012-2019

Kia

Soul

Base

## Details

- **Price:** 74.61 CAD
- **Vendor:** NGK
- **Type:** Spark Plugs

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 74.61 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - out of package
- Photo - out of package

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-iridium-ix-spark-plug-box-of-4-lzkr6aix)
> Updated: 2026-06-27