4.0L TFSI Audi RS6 spark plugs Competition NGK 21rs610 - сервиз

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.