Spanner Size 20,8 mm, Outer Thread [mm] 14,0, Thread Length [mm] 12,7, Spark Plug Unscrewable SAE connector, Spark Position [mm] 4,5, Spark Plug Nickel Middle Electrode, Spark Plug 1 – Earthed Electrode, Spark Plug no interference suppression, Spark Plug with gasket seat
