Denso Iridium Plug IU27D

Low required voltage and a high ignitability, resulting in less misfiring and no spark which dramatically improves combustion. Significantly improved combustion enables engine output to increase.The power produced by the 0.4mm electrode is unmatched by any other plugs.The excellent ignitability of Iridium Powers 0.4mm fine electrode draws out much more performance from the engine and tests show fuel consumption improves by around 5%.