Bosch W9AC Spark Plug - High Performance Ignition Plug for Gardening & Forestry Equipment - 1 Piece - Ideal for Lawn Mowers, Chainsaws & Outdoor Power Tools

Bosch Nickel spark plugs for small engines are equipped with a ground electrode made of nickel alloy. They provide spark plug technology and are available for a wide range of applications. Important instructions for installation, e.g. the correct tightening torque, can be found on the packaging.

Electrode Gap [mm] 0,7

Number of Poles 1

Outer thread [mm] 14

Spanner Size 20,8

Thread Length [mm] 12,7.Thread Pitch [mm] 1,25.Tightening angle [degrees] 90.Tightening Torque [Nm] 20.Spark Position [mm] 1