Spark Plug Gauge

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  • Keep all engines, from your car to lawn equipment, running smoothly with the Spark Plug Gauge. Gapping spark plugs is an essential part of every tune-up, and this tool makes it easy. Check the depth of the gap between the electrode and ground strap by sizing it against the gauge, which ranges from 0.020" - 0.100". Use the adjustment hole to gently open or close the gap. This handy tool will keep your engines running at peak performance for years to come.


  • VERSATILITY: Quickly gauge spark plug gaps from .020" to .100" (.50mm to 2.53mm)
  • EASE OF USE:Tapered hole is designed to adjust spark plug gap without damaging the electrode 

Product Includes

Wire Spark Plug Gauge 1 X


Height 0.98 in
Length 4.53 in
Width 3.15 in
Weight 0.12 lbs

Product Manuals