NGK Spark Plug CR9EIX Iridium 3521 Fits Aprilia Tuareg 660 2022-2023

Aprilia Tuareg 660 2022. Aprilia Tuareg 660 2023. The secret of the new Iridium IX spark plug lies in the laser-welded electrode made of iridium. The Iridium IX spark plug will last at least twice as long as any regular spark plug.