8 special NGK Competition spark plugs for many 4.0L TFSI engines.
These Iridium spark plugs are specially developed for turbo engines with increased charge pressure and high performance.
- NGK Racing spark plugs
- with Iridium electrode
- especially for high performance
- Heat grade 9
These iridium plugs should be used for power outputs from 800 HP to prevent engine damage.
The plugs do not fit with engine code DJPB.
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