Description
The OEM 242140528 represents the pinnacle of spark plug technology for Audi and Porsche powerplants. Engineered with a pure Iridium center electrode and a secondary Iridium chip on the ground electrode, it offers the highest melting point of any precious metal. This ensures a consistent spark gap even under extreme turbo boost, reducing the load on your ignition coils and preventing high-RPM misfires.








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