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SKU: 2314 | UPC: 087295974087
NGK Iridium Spark Plug LZTR5AIX-13 – Box of 4
The NGK Iridium Spark Plug (LZTR5AIX-13) is a premium high-performance spark plug designed for a wide range of Chrysler, Dodge, Jeep, and other vehicles. Featuring a fine-wire iridium center electrode and a platinum ground electrode, these plugs deliver superior ignitability, extended service life, and consistent spark under demanding conditions. Sold as a box of 4, they are an excellent upgrade or direct replacement for stock plugs in many V6 and V8 applications, providing smoother idle, better throttle response, and improved combustion efficiency.
Key Features
- Iridium Center Electrode – Fine-wire design for exceptional ignitability and long life
- Platinum Ground Electrode – Enhances spark efficiency and durability
- High-Performance Spark – Consistent ignition for smoother idle and better power delivery
- OE-Quality Reliability – Manufactured to meet or exceed factory specifications
- Box of 4 – Complete set for one V6 or V8 engine (verify quantity needed)
| Spec | Detail |
|---|---|
| Part Number | 2314 (LZTR5AIX-13) |
| Brand | NGK |
| Type | Iridium Spark Plug |
| Quantity | Box of 4 |
| Compatibility | Various Chrysler, Dodge, Jeep, and other models (see full fitment) |
| Country of Origin | Japan |
| Warranty | NGK Limited Warranty |
Whats Included
- 4 x NGK Iridium Spark Plugs (LZTR5AIX-13) 1 step colder
Product Notes
- Premium iridium plugs for improved ignition performance and longevity
- Direct replacement or upgrade for many Chrysler, Dodge, and Jeep applications
- Check specific gap requirements and vehicle application before installation
Installation Notes
- Standard spark plug replacement during tune-up
- Estimated time: 30–60 minutes
- Torque to factory specifications and verify proper gap
This Part Fits
| Year Range | Make | Model | Submodel / Engine | Notes |
|---|---|---|---|---|
| 2005-2010 | Chrysler | 300 | C / SRT8 5.7L / 6.1L HEMI | Iridium Spark Plug (Box of 4) |
| 2008-2010 | Dodge | Challenger | SRT8 6.1L HEMI | Iridium Spark Plug (Box of 4) |
| 2006-2010 | Dodge | Charger | SRT8 6.1L HEMI | Iridium Spark Plug (Box of 4) |
| 2006-2008 | Dodge | Magnum | SRT8 6.1L HEMI | Iridium Spark Plug (Box of 4) |
| 2006-2010 | Jeep | Grand Cherokee | SRT8 6.1L HEMI | Iridium Spark Plug (Box of 4) |
Why Choose NGK Iridium Spark Plugs?
- Largest OE spark plug supplier in North America with over 80 years of expertise
- Superior ignitability, longer service life, and consistent performance
- Trusted by manufacturers and enthusiasts for reliability in high-performance applications
Frequently Asked Questions
-
Q: Does this spark plug fit my 2008 Dodge Challenger SRT8 6.1L?
A: Yes, listed as a direct fit for many 2005-2010 Chrysler, Dodge, and Jeep vehicles with 5.7L and 6.1L HEMI engines. -
Q: How many plugs are in the box?
A: Box of 4 Iridium spark plugs – enough for one V6 or V8 engine (verify quantity needed for your application). -
Q: Are these better than stock plugs?
A: Yes, iridium technology provides better spark, longer life, and improved combustion efficiency compared to standard plugs.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official NGK retail box
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