

⚡ Ignite your drive with NGK’s copper-core spark plugs — where power meets precision!
NGK 6578 Spark Plugs feature a copper core for enhanced heat dissipation, trivalent metal plating for superior corrosion and seizing resistance, and corrugated ribs to prevent flashover. With a pure alumina silicate ceramic insulator and vehicle-specific fit, these spark plugs deliver reliable ignition and long-lasting performance for cars and trucks.
| Brand | NGK |
| Core Material | Copper |
| Thread Size | 12mm x 1.25mm |
| Top Material Type | Metal |
| Vehicle Service Type | Car, Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 087295465783 |
| Manufacturer | NGK |
| Model | 2 pack NGK Standard 6578 Spark Plug |
| Item Weight | 4.2 ounces |
| Product Dimensions | 3.31 x 0.94 x 1.66 inches |
| Item model number | 6578 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 6578 |
| Position | Front, Rear |
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