NGK R6725-11 Racing Spark Plugs are meticulously engineered to thrive in the most demanding engine environments. They feature a fine wire platinum-tipped center electrode and platinum-tipped ground electrode, enhancing ignitability, durability, and anti-fouling properties under high-performance conditions. Special insulator nose configurations optimize throttle response, while corrugated ribs prevent flashover, ensuring consistent spark delivery. The plugs are crafted with a pure alumina silicate ceramic insulator for superior strength and efficient heat transfer, complemented by a copper core that aids in heat dissipation. Triple seals prevent leakage, enhancing reliability. Ideal for racing and high-performance applications where precision ignition and durability are paramount, NGK R6725-11 Racing Spark Plugs uphold NGK's legacy of innovation and reliability in automotive spark plug technology.
Part number: R6725-11
Centre Electrode Material: | Platinum |
Seat Type: | Gasket |
Thread Diameter (mm): | 14 |
Thread Pitch (mm): | 1.25 |
Hex (mm): | 20.8 |
Reach (mm): | 21.5 |
Resistor / Non-Resistor: | Resistor |
Gap (mm): | 0.7 |