The NGK Racing R7438-9 Competition spark plugs are one of the most popular upgrades on tuned Audi RS6 C7 and RS7 C7 4.0 TFSI ! One heat range cooler than OEM, it provides great heat transfer and spark stability on tuned cars from stage 1 !
-
Direct bolt on
Sold as set of 8 pieces
One heat range colder than OEM
Race Iridium technology
Triple seals
Great upgrade for tuned engine
Engineered in Japan
| Brand | Model | Type | Version |
|---|---|---|---|
| Audi | RS6 | C7/C7.5 - 12-19 | 4.0 TFSI - 560/605 |
| Audi | RS7 | C7 - 13-19 | 4.0 TFSI - 560/605 |
- Further information -
Our technical specifications and compatibilities refer to the standard equipment of the vehicles mentioned, in case of doubt about the compatibility of a product, please contact our customer service to answer your questions.
Content protected by copyright © 2026 - All rights reserved
NGK warrants the products distributed by the authorized resellers network, of which All Stars Motorsport is a part, are genuine and free from defects in manufacturing and / or materials. As the items concerned are wearing parts, a limited 60 days warranty is applicable from the date of delivery. This warranty is limited to applications recommended by the manufacturer and therefore not applicable to competition.
APR red coil packs for Audi RS6 C7 / RS7 C7
Forge Motorsport silicone boost hoses for Audi RS6 C7 and Audi RS7 C7
Autotech high pressure fuel pump upgrade kit for Audi RS6 / RS7 4.0 TFSI / 5.0...
No reviews yet
*Write your comment here
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent