Product Description
Gauges and Gaps all Types of Spark Plugs from .020 inch to .100 inch (.50mm to 2.53mm).
Tapered edge for gauging spark plugs. Specially designed hole with flange adjusts side wire of plug without pressuring center electrode.
Tapered edge for gauging spark plugs. Specially designed hole with flange adjusts side wire of plug without pressuring center electrode.
