NGK Racing Spark Plug - 4654 | R7437-9
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Extra cold plug for high horsepower applications.
Sold as a SINGLE plug.
Specs:
| Reach | 26.5 |
| Hex Size | 5/8" |
| Ground Electrode Quantity | 1 |
| Manufacturer Heat Range | 9 |
| Thread Diameter | 14.00 |
| Center Electrode Tip Material | Iridium |
| Ground Electrode Core Material | Nickel Core |
| Ground Electrode Tip Design | Taper Cut / Trapezoid |
| Insulator Height | 50.50 |
| Pre-Gap Size | 0.028 |
| Seat Type | Gasket |
| Center Electrode Core Material | Copper Core |
| Ground Configuration | Standard |
| Resistance | 5000 |
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
