IRIDIUM RACING Spark Plugs VK22 – Porsche Boxster/Cayman

Ultrafine 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: 99917018390. Manufacturer: Denso.

• Porsche Boxster 987 2.7L 2005-08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08

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