




⚡ Ignite your ride with NGK’s precision spark plug—because every millisecond counts!
The NGK (7164) TR55IX Iridium IX Spark Plug is a high-performance ignition component designed specifically for motorcycles. Featuring a durable iridium core and a precise 14mm thread size, it delivers reliable starts and optimal combustion efficiency. Lightweight and easy to install, this spark plug requires no core charge, making it a hassle-free upgrade trusted by professionals and enthusiasts alike.














| Brand | NGK |
| Core Material | Iridium |
| Thread Size | 14mm |
| Top Material Type | Metal |
| Vehicle Service Type | Motorcycle |
| Global Trade Identification Number | 00087295171646 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 087295171646 |
| OEM Part Number | TR55IX |
| Manufacturer | NGK |
| Item Weight | 1.41 ounces |
| Product Dimensions | 4.35 x 2.24 x 2.08 inches |
| Item model number | 7164 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TR55IX |
| Position | Unknown |
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