NGK Racing Spark Plug - 4901 (Set of 4) | R7437-8-KT4
- Share:
![email]()
![Facebook]()
![Twitter]()
![Pinterest]()
)
Select Your Car to Verify Fitment
Extra cold plug for high horsepower applications.
Sold as a kit of four (4) plugs.
Specs:
| Reach | 26.5mm |
| Hex Size | 5/8" |
| Ground Electrode Quantity | 1 |
| Manufacturer Heat Range | 8 |
| Thread Diameter | 14.00mm |
| Center Electrode Tip Material | Iridium |
| Ground Electrode Core Material | Copper Core |
| Ground Electrode Tip Design | Taper Cut / Trapezoid |
| Insulator Height | 50.50mm |
| Pre-Gap Size | 0.028" |
| Seat Type | Flat |
| Center Electrode Core Material | Copper Core |
| Ground Configuration | Standard |
| Resistance | 5000 Ohms |
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
