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.

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.

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.

Factory refurbished model of our Spark Plug Cleaner & Tester features the latest in spark plug service equipment. It’s smart, functional styling and rugged construction makes it the perfect choice for anyone who needs to reliably and accurately test spark

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

Holds Timing Gears When Removed. Works with all bendix magnetos

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.

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.

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.

18mm x 1/2" long Heli-Coil aviation grade spark plug insert.