NGK Spark Plug IMR9C-9H (6777)
NGK Spark Plug IMR9C-9H, NGK Stock Code 6777. This Spark Plug has an integral resistor and double precious metal configuration. The fine wire centre electrode is tipped with Iridium alloy. The ground electrode is tipped with a platinum chip opposing the centre electrode. Please check the 'Specifications' and 'compatibility' tabs, where applicable, to find technical data and vehicle compatibility information. Please contact us before ordering if you are still unsure.