4.0L TFSI Audi RS6 C7 & RS7 spark plugs Competition NGK 21rs612 - сервиз

8 special NGK Competition spark plugs for all 4.0L TFSI engines such as in the RS6 C7, RS7 C7 and many more. These Iridium spark plugs are specially developed for turbo engines with increased boost pressure and high performance. NGK Racing spark plugs with Iridium electrode especially for high performance Heat grade 9 Optimal for RS6 and Co For performance from 800 HP these iridium plugs should be installed to prevent engine damage.