IRIDIUM POWER Spark Plug IW22 for Porsche 911 T / 924 / 944 S2

Ultrafine Electrode By harnessing the power of Iridium, DENSO is able to dramatically reduce the surface area of the center electrode – the critical component of a spark plug. Unlike a typical platinum plug with a 1.1mm diameter center electrode, DENSO Iridium Power plugs feature the world's smallest center electrode with a diameter of 0.4mm. Porsche part number: 99917016590, 99917017990, 99917005590.

Technical Data: - Diameter: DENSO Iridium Power plugs feature the world's smallest center electrode with a diameter of 0.4mm

• Porsche 944 3.0L

If you have any questions, please do not hesitate to contact us at any time.