Built to endure the toughest engine conditions, the NGK 5442 Racing Plug, R7376-8, features a fine wire iridium-tipped center electrode and platinum-tipped ground electrode, enhancing ignitability, durability, and anti-fouling capabilities. Special insulator nose configurations improve throttle response, while corrugated ribs prevent flashover. The plug's pure alumina silicate ceramic insulator provides superior strength and efficient heat transfer, supported by a copper core that aids in heat removal. Triple seals prevent leakage, ensuring consistent performance under extreme circumstances. NGK Racing Series plugs are engineered to deliver reliability, durability, and peak performance for high-performance applications.
Part number: R7376-8
Centre Electrode Material: | Iridium |
Seat Type: | Gasket |
Thread Diameter (mm): | 14 |
Thread Pitch (mm): | 1.25 |
Hex (mm): | 20.8 |
Reach (mm): | 19 |
Resistor / Non-Resistor: | Resistor |
Gap (mm): | 0.6 |