IRIDIUM RACING Spark Plugs IK20TT for Porsche 996 / 986 Boxster / 955 Cayenne

DENSO Iridium Racing® spark plugs are based on DENSO's advanced Iridium-Rhodium technology and the company's decades of experience in ignition technology development. They are championship-level components. Featuring the same 0.4mm center electrode configuration as the DENSO Iridium Power® spark plug – simply the best on the market – DENSO's motorsport spark plug is additionally equipped with a 0.8mm ground electrode made of 100% platinum, a special insulating material with 20% higher strength than conventional spark plugs, and other valuable features for demanding racing use. Manufacturer: Denso.

• Porsche 996 C2 (1997–2001)
• Porsche 996 C4 (1997–2001)

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