Electrode distance: 1 mm, Connector type: M4/SAE, Thread Size: M14x1.25, Spanner size: 16 mm, Packing Type: Box, Spark Plug: 1 - Earthed Electrode, Spark Plug: with gasket seat, Spark Plug: Copper Centre Electrode, Thread Length: 19 mm, Techn. Info. No.: RC9YC4