Convenient Gap Gauge for all Champion and Tempest massive electrode spark plugs. Slider design keep gauge wires stowed away when not in use. 1 lbs (0.5Kg) shipping weight.
. Retractable slider design
. Includes wires for .015", .019", .018", and .022"
. Works with all Champion and Tempest Massive Electrode Spark Plugs
. Replacement Wire Gauges are available. See ATS450-WG