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NGK IX Iridium Spark Plug Box of 4 (UR5IX)

SKU: NGK7177

Spark Plug

NGK Iridium IX...

Ngk

Ngk

NGK IX Iridium Spark Plug Box of 4 (UR5IX)

SKU: NGK7177

Spark Plug

NGK Iridium IX...

A$101.08
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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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

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:UR5IX
Pre-Gap Size:.040
Reach:.46
Resistance:5000.0
Seat Type:Tapered
Stock Number:7177
Thread Diameter:14.00

Application Summary

FORD 1997-70; GM 1995-71; ISUZU 1994-89; JEEP 1986-84, I/O - 1990-74 BERKELEY, 1977-71 FLAGSHIP, 1990-69 HARDIN, 1997-76 INDMAR, 1985-73 OMC

Part Type

Spark Plug

Data: v4.2 - Upd: 2026-10-14 07:39:21

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:
UR5IX
Pre-Gap Size:
.040
Reach:
.46
Resistance:
5000.0
Seat Type:
Tapered
Stock Number:
7177
Thread Diameter:
14.00

Reference Information

Brand Name/s Ngk
StreetFX SKU ngk7177
SFX Item ID 4149326
Supplier Item Code 4149326
Manufacturer SKU 7177
Manufacturer UPC 87295171776
Alternative References (UR5IX)

Compatibility

FORD 1997-70; GM 1995-71; ISUZU 1994-89; JEEP 1986-84, I/O - 1990-74 BERKELEY, 1977-71 FLAGSHIP, 1990-69 HARDIN, 1997-76 INDMAR, 1985-73 OMC

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