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⚡ Ignite your ride with NGK – where power meets precision!
The NGK 4644-4PK Standard Spark Plug box of 4 features a solid copper core for enhanced spark and heat dissipation, a longer alumina silicate insulator nose to reduce fouling, and a triple gasket seal to eliminate combustion gas leaks. Designed with corrugated ribs to prevent flashover and a zinc-dipped shell for corrosion resistance, these spark plugs ensure reliable, efficient ignition across a wide range of vehicles including motorcycles, ATVs, and watercraft.










| ASIN | B007HGC9NQ |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 161,845 in Automotive ( See Top 100 in Automotive ) 788 in Car Spark Plugs |
| Brand Name | NGK |
| Compatible with Vehicle Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles |
| Core Material | Iridium |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,050) |
| Global Trade Identification Number | 00087295046449 |
| Included Components | NGK 4644 |
| Item Type Name | Spark Plugs |
| Item Weight | 0.44 Pounds |
| Manufacturer | NGK |
| Manufacturer Part Number | 4644-4PK |
| Model Number | 4644-4PK |
| Number of Items | 4 |
| OEM Equivalent Part Number | 4644-4PK |
| Thread Size | 14mm |
| Top Material Type | Metal |
| UPC | 087295046449 |
| Unit Count | 4.0 count |
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