Champion Spark Plug D16 (D16/T10)
Champion Industrial and vintage car and motorcycle engine 18mm Spark Plug With Nickel Electrode D16 also referred to by stock code D16/T10. Replaces many obsolete 18mm thread diameter spark plugs. Please check the 'Specifications' and 'compatibility' tabs, where applicable, for technical data and vehicle compatibility information. Contact us before ordering if you are still unsure.