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⚡ Ignite your ride with NGK’s laser precision spark plugs!
NGK’s ILZKR7B-11S Laser Iridium Spark Plugs feature a laser-welded iridium center electrode and platinum disc ground electrode for exceptional durability and performance. Designed with a longer insulator nose and triple gasket seal, they prevent carbonization and combustion gas leaks, delivering faster starts, improved acceleration, better fuel economy, and reduced emissions. Compatible with a wide range of vehicles including motorcycles, ATVs, and watercraft, these plugs are engineered for professionals who demand reliability and efficiency.
| ASIN | B01DMFGRZG |
| Best Sellers Rank | #50,437 in Automotive ( See Top 100 in Automotive ) #327 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles |
| Core Material | Iridium |
| Customer Reviews | 4.5 out of 5 stars 1,031 Reviews |
| Global Trade Identification Number | 00087295057872 |
| Included Components | NGK (5787-4PK) ILZKR7B-11S Laser Iridium Spark Plug, Box of 4 |
| Item Type Name | ILZKR7B-11S Laser Iridium Spark Plug, Box of 4 |
| Item Weight | 0.4 Pounds |
| Manufacturer | NGK |
| Manufacturer Part Number | 5787-4PK |
| Manufacturer Warranty Description | Manufacturer |
| Thread Size | 14mm x 1.25mm |
| Top Material Type | Metal |
| UPC | 087295057872 603996526402 087295457733 |
| Unit Count | 4.0 Count |
| Vehicle Service Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles Vehicle Service Type Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles See more |
J**O
GENUINE NGK PLUGS AT A GREAT PRICE
THESE ARE GENUINE NGK PLUGS. I submitted information to NGK's customer service dept including pictures, production codes, and resistance measurements from the plugs and they confirmed that they are genuine NGK. I have not had a chance to install them yet but I will be soon. If I was not positive that they were genuine I would never take the chance of ruining my engine on a plug coming apart or failing early.
J**R
No complaints so far and look to be genuine NGK
No complaints so far. I did inspect them before installing and they look to be genuine NGK spark plugs according to NGK's article "How to identify NGK SPARK PLUGS." The NGKs replaced fake Denso spark plugs from eBay that had worn center electrode tips after only 13k miles (my cheap fault). My worn spark plug gaps ranged from .065" to .073" when they're supposed to be around .044", which the NGKs are pre-gapped to. After installing the NGKs, instantly noticed the increase to normal engine performance. Ordered 2/11/25. Received and installed on my 2012 Acura TSX on 2/12/25.
C**1
Plugs worked great
Made my CRV drive like new again.
P**.
Authentic NGK plugs (verified by NGK customer support)
These are authentic NGK plugs. Just to be sure, I contacted NGK customer support to verify the authenticity of the plugs. After an inquiry email, a customer service representative contacted me with in 24 hours. I had to send several photos of the plugs and received my verification the next day. I also tested the resistance of each plug with a multimeter, and they were all within spec. Great price and authentic! What more could you ask for?
A**.
Quality
Durable long lasting
C**G
NOT authentic NGK spark plugs
I contacted NKG, and these are are NOT authentic NGK spark plugs
H**T
Good product
After installation, the car is still have idle sharking issue sometimes. But milage seems improved a bit.
J**W
Excellent Quality, Great price
While these aren't the cheapest, they aren't that much more than regular spark plugs (less than $10 difference). I'm happy to spend hat small amount to give me the peace of mind that these won't prematurely fail, causing me to have to reinstall them again. This was the first time I had changed out spark plugs. Installing them was smooth. I double checked all the gaps and they are to spec so i didn't have to do any adjustments. They pretty much went as you'd expect. I bought 3 boxes (to change out 2 cars). This was 2 months ago and they fixed the rough idle/misfire in one of the cars. The other car seems to be getting better mpg (nothing significant, just a noticeable small increase). Excellent product!
Trustpilot
4 days ago
2 days ago