IRIDIUM POWER Spark Plugs IK20 – Porsche Boxster/Cayman

Ultrafine electrode. By utilizing the properties of iridium, DENSO succeeds in drastically reducing the surface area of the center electrode – the crucial component of a spark plug. In contrast to conventional platinum spark plugs with an 1.1 mm center electrode, DENSO Iridium Power spark plugs feature the world's smallest center electrode with a diameter of only 0.4 mm. Porsche part number: 99917020190. Manufacturer: Denso.

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02

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