NGK Racing Spark Plugs – Audi RS3 / TT RS DAZA / DNWA

Set of 5 included. For 5 cylinder vehicles. Used on every in-house build here at Rada Race Lab.  These have been the most robust and reliable spark plug we have used for this platform.

• R7437-9 – Recommended gap for bolt-on and hybrid turbo vehicles: .024″
• R7438-9 – Recommended for high horsepower setups and race cars: .020″