IRIDIUM POWER Spark Plugs IK22 Porsche 964 / 993 / 996 / 997 / Cayman

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 1.1 mm diameter center electrode, DENSO Iridium Power plugs feature the world's smallest center electrode, measuring 0.4 mm in diameter. This means that voltage requirements are reduced while ignition performance is greatly improved. Manufacturer: Denso.

• Porsche 997 MK1 Carrera 2 3.6L (2005–2008)
• Porsche 997 MK1 Carrera 2S 3.8L (2005–2008)
• Porsche 997 MK1 Carrera 4 3.6L (2005–2008)
• Porsche 997 MK1 Carrera 4S 3.8L (2005–2008)

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