This tools expands the spark gap of any massive electrode aviation plug safely and efficently. When used properly, it will not cause damage to the plug and allows you to re-gap an over-gapped plug.

Professional heavy-duty spark plug gap setting tool is completely portable for field use, yet precise enough to set gaps to within 0.001". Compatible with all Champion, and Tempest Massive Electrode Spark Plugs. Includes feeler gauge.

Professional quality Tempest, heavy duty wrench with a built in ratcheting mechanism and a pre-set torque arm. Use it to accurately set the torque of oil filters upon replacement.

This straight forward tool will let you remove the tach seal in minutes time and time again. The seal removal tool is so easy to use, it’s as easy as counting to five!

Combines our popular 116 Spark Plug Gapper with our new ATS450 Spark Plug Gauge in one money-saving kit.

Holds Timing Gears When Removed. Works with all bendix magnetos

For engines with bore diameters over 5" per FAA AC43-13. Includes on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushing

Our own ATS brand tester comes complete with on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushings, etc.

This tool takes all the work and risk out of removing the piston pin. It works on lycoming and Continentals engines. Just slip it over the piston, turn the shaft and it pushes the pin out.

New 3882-series Cylinder Base Nut Wrenches feature a 12-point thin-walled hex head, and a 15" span for use with any Continental and newer Lycoming engines.

Our new Spark Plug Field Kit. It contains everything you need to keep your spark plugs working in tip-top condition. It includes a spark plug cleaner, socket, dental picks, lubricant, inspection magnifier, spark plug tray, and a gapping kit.

Sure-Gap is designed for use on all massive electrode aircraft spark plugs. Saves time and money, eliminates guessing of plug gap, prolongs plug life and insures peak performance. 18mm.