Audi S3 8Y 4x NGK Racing R7437-9 Colder Spark Plugs

These NGK Racing Competition spark plugs are one of the most popular upgrades on highly modified 2.0 TFSI Ea888.3 engines found in the Golf 7 R / Golf 7 GTI / Golf 8 GTI / S3 8Y or Audi S3 8V / TT 8S ! One heat range cooler than OEM and using competition technology it provides great heat transfer and spark stability on tuned cars from stage 2 !

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Direct bolt on 

Sold as set of 4 pieces

One heat range colder than OEM

Race Iridium technology

Triple seals

Essential for tuned cars from stage 2

Engineered in Japan

- Use R7437-8 on soft modified engines and or running 100% E85 -