Jet H3116 Spark Plug Gauge and Gapper
- For standard and H.E.I. ignition.
- Has tapered ground edge for gapping plugs. Adjusting hole with flange to adjust side wire without pressuring center electrode.
- Has both metric and decimal markings.
- Gaps all plugs from .020 - .100 (0.50 - 2.5mm)
Jet H3116 Spark Plug Gauge And Gapper
