NGK Racing Competition spark plugs for the 1.8 – 2.0 – 2.5 – 4.0 TSI / TFSI engines.

NGK Racing Competition spark plugs are known as one of the most sought-after upgrades for various tuned engines, especially those in the Audi RS3, TTRS, Golf 7R, and more! These spark plugs utilize advanced competition technology, making them excel in heat dissipation and spark stability, even in cars with Stage 2 tuning or higher. They are ready to install and are sold in sets of 4, 5, 6, or 8. Thanks to Race Iridium technology and triple seals, they are essential for optimal engine performance. Furthermore, they are manufactured in Japan, guaranteeing quality and reliability.

1.8 TSI / 2.0 TSI / 2.5 TSI:
7437-8: Original / Stage 1
7437-9: Stage 2 or higher
7438-8: Original / Stage 1 (often used when driving with Ethanol)
7438-9: Stage 2 or higher (often used when driving with Ethanol)

4.0 TSI:
7437-9: Original / Stage 1
7438-9: Stage 2 or higher (often used when driving with Ethanol)

Mitsubishi Lancer Evolution 8/9:
7437-8: Stage 2 or higher

Focus 2 RS/ST:
7438-9: Stage 2 or higher

Important: These spark plugs are compatible with both original and upgraded coils, regardless of the top type (with or without a terminal cap). The connection fits perfectly, so you can enjoy optimal performance without worry.

Please note: Price is per piece

Contents:
• NGK Spark Plug