The NGK R5671A-7 Racing Spark Plug is designed for the demands of high-performance racing and motorsport applications. This spark plug features a unique design with a fine wire center electrode and a ground electrode that is shaped for optimal ignitability and combustion efficiency. The iridium center electrode provides excellent wear resistance and heat dissipation, ensuring reliable performance even under the extreme temperatures and pressures typical of racing environments.
The spark plug’s advanced design minimizes fouling and maximizes power output, while the precision-engineered construction ensures durability and consistent ignition performance. NGK’s R5671A-7 also includes a specially designed insulator and superior materials that enhance thermal conductivity and stability, making it ideal for high-stress conditions. With its exceptional quality and performance, this racing spark plug helps maximize engine efficiency and power, making it a top choice for competitive motorsport enthusiasts.
Part number: R5671A-7
Shell | |
Thread Diameter: | 14mm |
Thread Pitch: | 1.25mm |
Seat Type: | Gasket |
Reach: | 19mm |
Hex Size: | 5/8 |
Terminal Type: | Solid |
Overall Height: | ISO |
Gap: | .031 |
Center Electrode | |
Material: | Nickel |
Type: | V-Cut |
Size: | 2.5mm |
Projection: | Non-Projected |
Ground Electrode | |
Material: | Nickel |
Type: | Standard |
Quantity: | 1 |
Specifications | |
Resistor: | No |
Resistor Value: | 1K Ohm |
Heat Range: | 7 |
Features: | Copper gasket |
Torque Specs: | Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft. |