NGK Standard Spark Plugs. Shown below is an over torqued spark plug that sheered due to user installation error. NGK states that incorrect torque values are responsible for up to 90% of all spark plug warranty claims.
NGK Spark Plug BR9ES (5722)
Torch Spark Plug Replacement for BR9ES 5722/3194, 4062, N2C/805 RN2C/818, W27ESR W27ESR-U, OEM - 14mm x 1.25mm, 19mm, 20.8mm, 9 Heat Range - Alumina Ceramic, Alloy Steel Core, Pack of 1
NGK Spark Plug, NGK BR9ES Solid, ea, 1
4x NGK SPARK PLUGS Part Number AB-6 Stock No. 2910 New Genuine NGK SPARKPLUGS
4x NGK SPARK PLUGS Part Number D8EA Stock No. 2120 New Genuine NGK SPARKPLUGS
4x NGK SPARK PLUGS Part Number DR7ES Stock No. 3123 New Genuine NGK SPARKPLUGS