Australia-wide shipping on performance, 4x4 and vehicle-specific upgrades.
Ngk

Ngk

NGK IX Iridium Spark Plug Box of 4 (TR55IX)

SKU: NGK7164

Spark Plug

NGK Iridium IX

Ngk

Ngk

NGK IX Iridium Spark Plug Box of 4 (TR55IX)

SKU: NGK7164

Spark Plug

NGK Iridium IX

A$89.01
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.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

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

Product Details

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:TR55IX
Pre-Gap Size:.060
Reach:.708
Resistance:5000.0
Seat Type:Tapered
Stock Number:7164
Thread Diameter:14.00

Application Summary

BUICK 2011-88; CADILLAC 2011-82; CHEV 2014-92; FORD/LIN/MERC 2014-78; GMC 2014-96; ISUZU 1999-97; JAGUAR 2002-00; MAZDA 2007-91; OLDSMOBILE 2003-88; PONT 2008-88; SATURN 2006-05, I/O - 2005 CRUSADER, 2005-94 INDMAR, 2006-00 MERC

Part Type

Spark Plug

Data: v4.2 - Upd: 2026-09-29 09:04:35

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

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:
TR55IX
Pre-Gap Size:
.060
Reach:
.708
Resistance:
5000.0
Seat Type:
Tapered
Stock Number:
7164
Thread Diameter:
14.00

Reference Information

Brand Name/s Ngk
StreetFX SKU ngk7164
SFX Item ID 4149354
Supplier Item Code 4149354
Manufacturer SKU 7164
Manufacturer UPC 87295171646
Alternative References (TR55IX)

Compatibility

BUICK 2011-88; CADILLAC 2011-82; CHEV 2014-92; FORD/LIN/MERC 2014-78; GMC 2014-96; ISUZU 1999-97; JAGUAR 2002-00; MAZDA 2007-91; OLDSMOBILE 2003-88; PONT 2008-88; SATURN 2006-05, I/O - 2005 CRUSADER, 2005-94 INDMAR, 2006-00 MERC

Loading compatibility information...

Keep shopping

More from Ngk