These plugs typically result in quicker throttle response and an overall smoother running engine.
Iridium IX - The ultimate evolution of a performance spark plug.
It may be time to invest in precious metal futures. NGK Iridium Spark Plugs represent the ultimate evolution of spark plug technology and performance. Iridium allows for a center electrode 75 percent the size of a platinum electrode and 24 percent the size of a conventional nickel electrode.
Stock Heat Range for LS1, LS2, LS3, LS6 - Gapped At .050
97-13 NGK TR5 IRIDIUM S/PLUG-XC6 Z06/ZR1
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Years |
| Chevrolet |
Corvette |
1997 - 2013 |
