Setting the correct gap for your spark plugs will maintain engine efficiency and safety. Leaving your spark plug gap too wide may make cold weather startups more difficult and potentially cause misfires in your engine. Our Aircraft Tool Supply gapper and gap gauge are the perfect tools for closing gaps on your massive-electrode aircraft spark plugs. The ATS415K clamps onto your workbench for comfortable and stable use.
If you are searching for a tool that is built to last, the ATS spark plug gapper is manufactured from 4160 tool grade steel and features CNC machined surfaces for exact alignment. The ATS450 feeler gauge is included to eliminate the guesswork during spark plug installation. Use this Aircraft Tool Supply product with any Champion or Autolite massive electrode spark plugs. Install your aircraft's spark plugs with precision and safety using our ATS415K. Equipped with an aircraft gap gauge for no-hassle gap setting, the spark plug gapper is a great tool for any handy aviator.