The NGK Iridium IX spark plug is a great upgrade for tuned Audi vehicles equipped with the EA837 3.0T supercharged V6.
These spark plugs are a heat range 9, one stage colder than the factory equipped NGK spark plugs. This allows for faster timing and better overall performance.
NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
Recommended Gap
For most vehicles with stage 1 and 2 ECU tuning, we recommend gapping these plugs to 0.024" with a +/- of .002”.
Fitment/Applications:
- 2009-2017 Audi B8/B8.5 S4 3.0T
- 2012-2017 Audi B8/B8.5 S5 3.0T
- 2009-2011 Audi C6 A6 3.0T
- 2013-2017 Audi B8.5 Q5 3.0T
- 2013-2017 Audi B8.5 SQ5 3.0T
- 2012-2018 Audi C7 A6 3.0T
- 2012-2018 Audi C7 A7 3.0T
- 2011-2016 Audi 4L Q7 3.0T
- 2017-2019 Audi 4M Q7 3.0T
- 2015-2018 Audi D4 A8 3.0T
NGK Part Number: 2669
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