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⚡ Ignite your drive with NGK Iridium IX – where power meets precision!
The NGK CR9EIX Iridium IX Spark Plug 4-pack offers a high-performance ignition solution featuring a durable iridium tip for improved power and fuel efficiency. Designed as a direct OEM replacement for cars and trucks, these plugs ensure perfect fitment and long-lasting reliability. Backed by a 4.8-star rating from over 500 users, this value bundle delivers professional-grade quality to keep your engine running smoother and stronger.
| ASIN | B004SKYAWM |
| Best Sellers Rank | #7,408 in Automotive ( See Top 100 in Automotive ) #36 in Automotive Replacement Spark Plugs |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.8 4.8 out of 5 stars (507) |
| Included Components | 3521 |
| Item Weight | 0.28 Pounds |
| Manufacturer | NGK |
| Manufacturer Part Number | CR9EIX |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Thread Size | 10mm |
| Top Material Type | Iridium |
M**.
GOOD PRODUCT
VALUE WAS GREAT FOR QUALITY. FIT WAS PERFECT START WAS RIGHT ON. POWER WAS IMPROVED. DURABLE AS IT SHOULD BE
D**.
Good
Great price for these quality spark plugs. My bike is running better!
B**L
Great plugs
I installed these in my 2021 Indian Scout Bobber ABS. I can see the improvement over the regular plugs. The bike starts better and runs better at idle and full throttle. I recommend them.
J**E
Great product, great price, great company
Great!! Can’t go wrong!
C**S
Dealer performance without the dealer price
NGK CR9EIX Iridium IX Spark Plug – 4 Pack Installed these in my bike and it fired right up with no skips or hesitation. These appear to be very comparable to the much more expensive Screamin’ Eagle plugs sold by Harley. Looking at them side by side, they seem to be essentially the same plug with different branding. They come with a preset gap, which is a nice plus. Of course my OCD still requires me to check them anyway, but all four were spot on and didn’t need any adjustment. I can’t speak yet to long-term durability, but NGK has a strong reputation and I expect them to hold up well. For reference, these were installed in a 2019 Harley-Davidson Softail 114. Overall, a great value compared to the dealer-branded option.
R**L
Muy bueno el producto lo recomiendo
B**S
Harley Plugs
Bike seems to idle & run better
4**L
As described
As advertised
S**T
Good item would buy again
R**R
They Look good ngk quality plugs
I**I
Plugs were perfectly packaged for overseas shipping. Arrived in expected time frame. Price was better than expected. Great company to deal with as they supplied timely ongoing updates of processes right up to delivery. Many thanks 👍
T**R
Perfect match! Installed on Indian scout 2021 So far, so good
C**M
As expected
Trustpilot
3 weeks ago
1 month ago