

⚡ Ignite your drive with NGK Iridium IX – where precision meets power!
The NGK LKR7DIX-11S Iridium IX Spark Plug 4-pack features a laser-welded 0.6mm fine Iridium tip for superior ignitability and throttle response. Built with a high melting point Iridium alloy, it offers exceptional durability against heat and electrical wear. Its triple gasket seal and corrugated insulator ribs prevent combustion gas leaks and flashover, while trivalent metal plating ensures anti-corrosion and anti-seizing protection. Designed for vehicle-specific fitment with a 5/8 inch hex size, this spark plug is a top choice for high-performance engines and trusted by automotive professionals worldwide.










| ASIN | B07FP6KFLT |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #4,082 in Automotive ( See Top 100 in Automotive ) #11 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Core Material | Iridium |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,058) |
| Date First Available | July 17, 2018 |
| Exterior | Painted |
| Global Trade Identification Number | 00087295831755 |
| Item Weight | 6.4 ounces |
| Item model number | LKR7DIX-11S |
| Manufacturer | NGK |
| Manufacturer Part Number | 93175 |
| Model | Spark Plug |
| OEM Part Number | Cross-reference is for reference only. Confirm compatibility with your vehicle. Omnicraft QSP8 |
| Position | Front, Rear |
| Product Dimensions | 5.83 x 4 x 1 inches |
| Thread Size | 5/8 inch |
| Top Material Type | Metal |
| UPC | 087295831755 |
| Vehicle Service Type | Car, Truck |
G**L
Good Spark plugs
They work excellent my car is driving much more smoother now 💯 thanks 🙏 Recommend!!
M**X
NGK or Denso always for the win
Product is just well above other brands. If you have any Asain cars IE toyota Honda etc you know its theses or Denso nothing else to avoid issues
M**F
Great Plugs
I now use NGK On all my cars and small engines. They last good and never had any problems with them.Not that expensive either.
R**R
Nice
Seems to work well! My car started right up. But of course I didn’t have any problems before. Changed my sparkplugs out at 100,000 miles
C**L
2012 Honda Civic
Perfect fit on my 2012 Honda Civic. No issues replacing them.
R**.
Don't pass this one up.
This was an exact replacement. The spark plugs I removed that had been installed by the Kia dealer were also NGK but these are an upgraded version. Exact size and came gapped. Very easy to install with spark plug socket. Great price for a quality product. I just wish I had bought the bundle with the coils included.
K**I
Not the same gap as advertised
Quality plugs, 4 stars because gap is wrong. Amazon states they’re .44. They’re actually around .3 either way, don’t put plugs in your car without checking
D**E
It works
I replaced the spark plugs in my 2012 Civic this morning. Now the idle doesn't rev up on the first time I reverse in the day, the acceleration is immediate instead of a few second delay and the idling seems a bit more even. Not bad. I had to use my torque bar to break the plugs loose then I just ratcheted them out.
P**U
A muy buen precio las 4 bujias, confirmo que tiene mayor aceleracion con estas bujias, hechas en U.S.
B**S
I just put the first 10k on these plugs and I have noticed an improvement in engine gas consumption (down about .4 to .6 L/100km. I will definately purchase this same plug for my other vehicle when needed. Highly recommended.
G**.
Cumple con su funcionamiento.. muy bien en mi Hyundai Elantra GLS Y BUEN PRECIO
C**N
Worked great
D**.
These are a perfect match replacement for the existing (manufacturers) plugs. They come pre-gapped and have a protective plastic sleeve to prevent damage in shipping
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