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⚡ Ignite your ride with NGK’s precision spark!
The NGK Spark Plug BR9HS-10 YBX 4551 combines OEM-level quality with advanced heat dissipation and corrosion-resistant cold-rolled threads, ensuring smooth and reliable ignition performance for motorcycles. Featuring a copper core for superior conductivity, it supports optimal engine function across all speeds and enjoys high customer satisfaction.




| ASIN | B0000AXTBJ |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 286,597 in Automotive ( See Top 100 in Automotive ) 1,217 in Car Spark Plugs |
| Brand Name | NGK |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Copper |
| Customer Reviews | 4.6 4.6 out of 5 stars (233) |
| Global Trade Identification Number | 00087295145517 |
| Included Components | nothing |
| Item Type Name | NGK 4551 Spark Plug |
| Item Weight | 0.05 Kilograms |
| Manufacturer | NGK SPARK PLUGS UK LTD |
| Manufacturer Part Number | BR9HS-10 |
| Manufacturer Warranty Description | producer |
| Model Number | BR9HS-10 |
| OEM Equivalent Part Number | 4551 |
| Thread Size | M10 |
| Top Material Type | copper |
| UPC | 087295145517 |
J**K
This is a great big bore kit scooter cylinder break in spark plug , it resisted fouling for almost 50 mile break in ,as soon as I tried to run it hard on the pipe for the hard break in it felt and I was pretty happy to see that it was dark and fouled ,and worked while my engine was running rich
D**L
NGK Qualität, mit perfektem Zündfunken.
C**E
Nickel
じ**ん
最高です
S**.
Works like it should.
Trustpilot
2 days ago
1 week ago