IRIDIUM POWER Spark Plugs IW20 for Porsche 356 / 911 / 964 Turbo / 924

Ultra-fine Electrode By harnessing the power of Iridium, DENSO is able to drastically 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: 99917015690, 99917018990.

Technical Data: - Diameter: DENSO Iridium Power plugs have the world's smallest center electrode with a diameter of 0.4 mm - Engine Code: M44.07/08/09/10)

• Porsche 944
• Porsche 944 2.5L
• Porsche 944 2.7L

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