This spark plug gapping tool is designed to save time while maintaining precision. Many Engine Builders and Tuners will tell you how critical it is to properly and accurately gap a plug. With this tool you will gap plugs faster and maintain accuracy.
No more Banging your plugs on hard objects to close the gap and hope that you didn't crack the porcelain.
Included Feeler Gauge sizes: .010,.012,.013,.015,.016,.017,.018,.019,.020,.022,.024,.025,.026,.028,.030,.032,.035
We recommend having 9 gauges or less installed in the tool at a time.