IRIDIUM POWER Spark Plugs IW20 for

Ultra-fine Electrode By harnessing the power of Iridium, DENSO is able to suddenly 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 have the world's smallest center electrode with a diameter of 0.4mm. This means that voltage requirements are reduced while ignition performance is greatly improved.

• Porsche 968 3.0L (1992–1995)
• Porsche 968 Sport 3.0L (1994–1995)
• Porsche 968 CS 3.0L (1993–1995)

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