Spark Plug Gauge

Product Overview

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.

Additional Features


  • Automotive Mechanical Applications


  • (1) Wire Spark Plug Gauge


Product Length [Imperial]
4 1/2 in
Product Height [Imperial]
1 in
Product Width [Imperial]
3 1/7 in
Product Weight [Imperial]
0.12 lbs



  • Full Lifetime Warranty

We're confident of the quality of our products and we'll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

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We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant regulations.