

⚡ Ignite your drive with NGK Iridium IX – where power meets precision!
The NGK CR9EIX Iridium IX Spark Plug 4-pack delivers premium ignition performance with durable iridium electrodes, ensuring faster starts and improved fuel efficiency. Trusted by professionals and ranked among top automotive performance plugs, this genuine NGK product offers direct OEM replacement fitment, making it the go-to choice for millennial managers seeking reliability and peak engine performance.
| ASIN | B004SKYAWM |
| Best Sellers Rank | #25,843 in Automotive ( See Top 100 in Automotive ) #142 in Automotive Performance Spark Plugs |
| Brand | NGK |
| Customer Reviews | 4.8 4.8 out of 5 stars (466) |
| Date First Available | 16 July 2021 |
| Item Weight | 127 g |
| Item model number | 3521 |
| Manufacturer | NGK |
| Manufacturer Part Number | CR9EIX |
| Model | 4 pack NGK Iridium IX 3521 Spark Plug |
| OEM Part Number | 7085731 |
| Position | Front, Rear |
| Product Dimensions | 8.41 x 2.39 x 8.43 cm; 127.01 g |
S**T
Good item would buy again
R**R
They Look good ngk quality plugs
D**.
Great price for these quality spark plugs. My bike is running better!
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 👍
B**L
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.
Trustpilot
1 day ago
3 days ago