2-stroke, 4-stroke, it doesn't matter, choosing the right spark plug is really important. There are some main criteria for deciding which spark plug is the right one for your engine: length of thread (or reach), diameter and heat range. This is an NGK Spark Plug B4H.
- diameter: 14mm
- reach: 12.7mm
- hex size: 21mm
- Additional Information
Name NGK Spark Plug B4H Item No. L-SAZNGKB4H Brand NGK