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- Jet TH3116 - Spark Plug Gauge and Gapper
Product Details
- 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)