NGK Racing Series plugs are engineered to withstand the harshest engine conditions.
- Special insulator nose configurations improve throttle response
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
- MPN: R5674-8
Specifications
| Warranty |
1 Year |
| Torque Specs |
Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. |
| Brand |
NGK |
| Heat Range |
8 |
| Longevity |
30k Miles |
| Resistor |
No |
Shell
| Thread Size |
14mm |
| Thread Pitch |
1.25mm |
| Seat Type |
Tapered |
| Reach |
11mm (7/16") |
| Hex Size |
5/8" (16mm) |
| Terminal Type |
Solid |
| Overall Height |
ISO |
| Gap |
.020" (0.5mm) |
Center Electrode
| Material |
Nickel |
| Type |
V-Cut |
| Size |
2.5mm |
| Projection |
Projected |
Ground Electrode
| Material |
Nickel |
| Type |
Standard |
| Quantity |
1 |
