SKU: 97408 | UPC: 087295974087
NGK Laser Platinum Spark Plug LZTR6AP11EG – Box of 4
The NGK 97408 Laser Platinum Spark Plug (LZTR6AP11EG) is a premium OE-quality spark plug designed for high-performance 6.4L SRT8 HEMI engines. Featuring a laser-welded platinum center electrode and a fine-wire design, these plugs deliver superior ignitability, extended service life, and consistent spark under high cylinder pressures. Sold as a box of 4, they are the ideal upgrade or replacement for 2011-2020 Dodge Challenger, Charger, Durango, Jeep Grand Cherokee SRT, and Chrysler 300 SRT8 models equipped with the 6.4L HEMI V8.
Key Features
- Laser Platinum Technology – Platinum center electrode for exceptional durability and consistent spark
- Fine-Wire Design – Improves ignitability and combustion efficiency for smoother idle and better throttle response
- High-Temperature Performance – Engineered to withstand the extreme conditions of the 6.4L SRT8 HEMI
- OE-Quality Reliability – Manufactured to meet or exceed factory specifications for long service life
- Box of 4 – Complete set for one V8 engine
| Spec | Detail |
|---|---|
| Part Number | 97408 (LZTR6AP11EG) |
| Brand | NGK |
| Type | Laser Platinum Spark Plug |
| Quantity | Box of 4 |
| Compatibility | 2011-2020 6.4L SRT8 HEMI V8 models (see full fitment) |
| Country of Origin | Japan |
| Warranty | NGK Limited Warranty |
Whats Included
- 4 x NGK Laser Platinum Spark Plugs (LZTR6AP11EG)
Product Notes
- Specifically engineered for high-output 6.4L SRT8 HEMI engines
- Provides reliable ignition, smoother idle, and improved combustion efficiency
- Direct replacement for factory spark plugs in listed SRT8 applications
Installation Notes
- Standard spark plug replacement during tune-up
- Estimated time: 30–60 minutes
- Professional installation recommended with proper gap setting and torque specs
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| 2012-2014 | Chrysler | 300 | SRT8 / SRT8 Core | 6.4L SRT8 HEMI |
| 2016 | Dodge | Challenger | 392 Hemi Scat Pack Shaker / R/T 392 / R/T Scat Pack / Scat Pack / SRT 392 | 6.4L SRT8 HEMI |
| 2011-2014 | Dodge | Challenger | SRT8 | 6.4L SRT8 HEMI |
| 2017-2018 | Dodge | Challenger | T/A 392 | 6.4L SRT8 HEMI |
| 2017-2018 | Dodge | Charger | Daytona 392 / R/T 392 / R/T Scat Pack / Scat Pack / SRT 392 | 6.4L SRT8 HEMI |
| 2012-2014 | Dodge | Charger | SRT8 | 6.4L SRT8 HEMI |
| 2018-2020 | Dodge | Durango | SRT | 6.4L SRT8 HEMI |
| 2014-2020 | Jeep | Grand Cherokee | SRT / SRT8 | 6.4L SRT8 HEMI |
Why Choose NGK Laser Platinum Spark Plugs?
- Largest OE spark plug supplier in North America with over 80 years of expertise
- Superior ignitability, longer life, and consistent performance under high loads
- Trusted by manufacturers and enthusiasts for reliability in high-performance HEMI applications
Frequently Asked Questions
- Q: Does this spark plug fit my 2018 Dodge Challenger SRT 392?
A: Yes, listed as a direct fit for 2011-2020 6.4L SRT8 HEMI applications including Challenger, Charger, Durango, and Grand Cherokee SRT. - Q: How many plugs are in the box?
A: Box of 4 Laser Platinum spark plugs (LZTR6AP11EG) – enough for one V8 engine. - Q: Are these better than stock plugs?
A: Yes, platinum 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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