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: | 50.50 |
| Manufacturer Heat Range: | 5 |
| Part Number: | LFR5AIX-11 |
| Pre-Gap Size: | .044 |
| Reach: | 26.5 |
| Resistance: | 5000.0 |
| Seat Type: | Flat |
| Stock Number: | 4469 |
| Thread Diameter: | 14.00 |
Application Summary
HYUNDAI 2011-07; INFINITI 2010-01; KIA 2011-06; NIS 2009-00; SCION 2014-11; SUZ 2012-09; TOYOTA 2014-09
Part Type
Spark Plug
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:
- 50.50
- Manufacturer Heat Range:
- 5
- Part Number:
- LFR5AIX-11
- Pre-Gap Size:
- .044
- Reach:
- 26.5
- Resistance:
- 5000.0
- Seat Type:
- Flat
- Stock Number:
- 4469
- Thread Diameter:
- 14.00
Reference Information
| Brand Name/s | Ngk |
|---|---|
| StreetFX SKU | ngk4469 |
| SFX Item ID | 4149445 |
| Supplier Item Code | 4149445 |
| Manufacturer SKU | 4469 |
| Manufacturer UPC | 87295144695 |
| Alternative References | (LFR5AIX-11) |
Compatibility
HYUNDAI 2011-07; INFINITI 2010-01; KIA 2011-06; NIS 2009-00; SCION 2014-11; SUZ 2012-09; TOYOTA 2014-09
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