
โก Ignite your ride with NGK Iridium IX โ where precision meets power!
The NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug pack of 4 is engineered for performance enthusiasts seeking extreme ignition reliability and durability. Featuring a 0.6mm laser-welded iridium fine tip, tapered ground electrode, and triple-seal design, these plugs deliver improved throttle response, reduced fouling, and superior corrosion resistance. Compatible with cars, trucks, and motorcycles, they ensure consistent spark and long-lasting performance in high-demand engines.

| ASIN | B00CC0E6GA |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #69,303 in Automotive ( See Top 100 in Automotive ) #429 in Automotive Performance Spark Plugs |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car, Truck, Motorcycle, etc. |
| Core Material | Iridium |
| Customer Reviews | 4.8 4.8 out of 5 stars (828) |
| Gap Size | 0.6 Millimeters |
| Global Trade Identification Number | 00087295064412 |
| Included Components | Other Vehicle Parts( AUTO_PART ),Replacement Parts - Underhood, Engine Management, spark-plugs |
| Item Type Name | ZFR6FIX11 Iridium Plug |
| Item Weight | 0.01 Ounces |
| Manufacturer | NGK |
| Manufacturer Part Number | 6441-4PK |
| Model Number | 6441-4PK |
| Number of Items | 4 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | 6441-4PK |
| Thread Size | M10x1.0 or M12x1.25 |
| Top Material Type | Metal |
| UPC | 087295064412 |
| Unit Count | 1 Count |
Trustpilot
3 weeks ago
4 days ago