Shop NGK 4482 R6725-115 racing spark plug with fine-wire platinum electrodes and 0.028in gap for sanctioned competition engines.
4 in stock
4 in stock
The NGK 4482 Racing Spark Plug, part number R6725-115, is engineered specifically for competition engines operating under extreme combustion temperatures and high RPM conditions. It features a fine-wire platinum center electrode, copper core construction, and a 0.028-inch preset gap designed to improve ignitability while maintaining durability in racing environments. || The plug utilizes a 14mm thread diameter with a 1.25mm pitch, gasket seat design, and 21.5mm reach for compatibility with specialized racing cylinder heads. NGK’s alumina silicate ceramic insulator improves heat transfer while corrugated ribs help prevent flashover during high-load operation. || Intended exclusively for sanctioned racing applications, the 4482 spark plug delivers consistent spark performance through its platinum-tipped electrode configuration and 5k-ohm resistor design. It is an excellent choice for builders seeking dependable ignition characteristics in demanding motorsport conditions.
| Brand | NGK |
|---|---|
| Model | R6725-115 |
| MPN | 4482 |
| Product Type | Racing Spark Plug |
| Material | Platinum Copper |
| Finish Color | Metal |
| Dimensions | 14mm Thread |
| Weight (lb) | Not Published |
| Load Capacity | Not Published |
| Drawer Count | Not Published |
| Drawer Type | Not Published |
| Lock Type | Not Published |
| Mount Type | Threaded Install |
| Installation | Hand Torque Fit |
| Compatibility | Racing Engines |
| Use Case | Competition Use |
| Warranty | 1 Year Limited |
| Country of Origin | Not Published |
| Series | Racing Series |
| UPC | 87295044827 |
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