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

SKU: NGK4344

Spark Plug

NGK Single

Ngk

Ngk

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

SKU: NGK4344

Spark Plug

NGK Single

A$74.54
IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.

Product Overview

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.


Features and Benefits

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

Product Details

Year Make
557:14.00
Center Electrode Core Material:Copper
Center Electrode Tip Material:Iridium
Description:NGK Iridium IX Spark Plug
Electrical Terminal Type:Non-Removable Nut
Ground Configuration:Standard
Ground Electrode Core Material:Nickel
Ground Electrode Quantity:1
Ground Electrode Tip Design:Taper Cut
Hex Size:5/8
Insulator Height:53.00
Manufacturer Heat Range:5
Part Number:LTR5IX-11
Pre-Gap Size:.044
Reach:25.00
Resistance:5000.0
Seat Type:Tapered
Stock Number:4344

Application Summary

BUICK 2014-04; CADILLAC 2014; CHEV 2014-02; FORD 2014-95; GMC 2014-02; HUMMER 2010-06; ISUZU 2008-03; LINCOLN 2014-07; MAZDA 2014-01; MERCURY 2011-99; OLDSMOBILE 2004-02; PONT 2010-02; SAAB 2011-05; SATURN 2010-00

Part Type

Spark Plug

Data: v4.2 - Upd: 2026-10-12 02:49:31

Features

  • Fine iridium tip ensures durable and consistent spark
  • Outstanding acceleration, high fuel efficiency and durability
  • 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

Specifications

Year
Make
557:
14.00
Center Electrode Core Material:
Copper
Center Electrode Tip Material:
Iridium
Description:
NGK Iridium IX Spark Plug
Electrical Terminal Type:
Non-Removable Nut
Ground Configuration:
Standard
Ground Electrode Core Material:
Nickel
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Taper Cut
Hex Size:
5/8
Insulator Height:
53.00
Manufacturer Heat Range:
5
Part Number:
LTR5IX-11
Pre-Gap Size:
.044
Reach:
25.00
Resistance:
5000.0
Seat Type:
Tapered
Stock Number:
4344

Reference Information

Brand Name/s Ngk
StreetFX SKU ngk4344
SFX Item ID 4149450
Supplier Item Code 4149450
Manufacturer SKU 4344
Manufacturer UPC 87295143445
Alternative References (LTR5IX-11)

Compatibility

BUICK 2014-04; CADILLAC 2014; CHEV 2014-02; FORD 2014-95; GMC 2014-02; HUMMER 2010-06; ISUZU 2008-03; LINCOLN 2014-07; MAZDA 2014-01; MERCURY 2011-99; OLDSMOBILE 2004-02; PONT 2010-02; SAAB 2011-05; SATURN 2010-00

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