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⚡ Ignite your ride with NGK Iridium IX – where performance meets precision!
The NGK LKR7DIX-11S Iridium IX Spark Plug 4-pack is engineered for performance enthusiasts seeking extreme ignitability and durability. Featuring a laser-welded 0.6mm iridium tip, high melting point alloy, and advanced sealing technology, these plugs deliver improved throttle response, reduced electrical quenching, and corrosion resistance. Compatible with cars and trucks, they offer up to 60,000 miles of reliable, high-performance ignition with easy DIY installation.










| ASIN | B07FP6KFLT |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,984 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.6 out of 5 stars 2,310 Reviews |
| Gap Size | 0.04 inches |
| Global Trade Identification Number | 00087295831755 |
| Included Components | Spark Plug (4) |
| Item Highlight | Ultra-fine 0.6mm iridium tip sharpens throttle response and acceleration. 40,000-60,000 mile fine-wire performance. |
| Item Type Name | Spark Plug (93175 Iridium Ix ) |
| Item Weight | 6.4 ounces |
| Manufacturer | NGK |
| Manufacturer Part Number | 93175 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | LKR7DIX-11S |
| Number of Items | 4 |
| OEM Equivalent Part Number | Cross-reference is for reference only. Confirm compatibility with your vehicle. Omnicraft QSP8 |
| Thread Size | 5/8 inch |
| Top Material Type | Metal |
| UPC | 087295831755 |
| Unit Count | 1 Count |
| Vehicle Service Type | Car, Truck |
T**.
Fit it and forget it
These plugs are the real deal. Felt a significant difference in the vehicle's performance. Would definitely purchase again
J**N
Easy to install
Easy to install. I watched a couple of YouTube videos before installing. Took my time and was happy I did it myself. It would have cost me $200 of more to have the dealer install these. Seems to run fine, will have to see if gas milage improves.
M**A
Perfect fit
Perfect fit
K**B
NGK never disappoints!!
Brought my car back to life and running smoothly even at 200k on my 2011 Acura TSX
J**S
Great plugs, fit my 19 Kia soul 2.0 and fixed my rough idle
Had new autolite iridium’s in my 19 Kia soul with 2.0. Should have known better. Bought these NGK’s and instantly got a better idle. Just buy the best and be done with it. Half the price of local part stores.
J**E
Worked as needed
Worked as needed
N**E
Perfect
Exactly as described. Perfect fit.
P**O
good value
worked great
B**E
Bougie pour auto
Fonctionne très bien . Très satisfaite et en plus beaucoup moins cher que partout ailleurs. Très bon acaht
E**A
Muy buenas
Excelentes bujias
P**U
LE QUEDAN PERFECTO A CRV 2010
A muy buen precio las 4 bujias, confirmo que tiene mayor aceleracion con estas bujias, hechas en U.S.
S**8
Kia forte 2016
Perfect for kia forte 2016
S**Y
Reliable performance and a noticeable engine boost
I recently swapped my old plugs for this 4-pack of NGK Iridium IX ones, and the difference was clear right from the first start. The engine definitely feels like it’s idling smoother, and I’ve noticed a much more responsive "snap" when accelerating. NGK is usually my go-to for ignition parts, and these Iridium plugs live up to the reputation—they handle high heat incredibly well and provide a very consistent spark. If you’re looking for a simple way to restore some lost power or just want to keep your ignition system in top shape, these are worth every penny. Pros: Improved Ignition: Faster, more reliable starts and a smoother idle. High Durability: The Iridium tip is built to last much longer than standard copper or platinum plugs. Better Response: Noticeable improvement in throttle response and overall engine efficiency. Cons: Price: They are a bit more expensive than basic plugs, but the longevity and performance gains make them a much better long-term value.
Trustpilot
2 weeks ago
1 month ago