M10x1.0 Compression Spark Plug Adapter Modded for ZRX



To get accurate compression test readings, the standard M10 spark plug adapter need to have a 45º angle cut, or late turned, above the o-ring seal to enable it to fit in the small spark plug hole properly.

You can do this on a bench grinder your self, or purchase my lathe modified one.

Additional information

Weight .3 lbs
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