This high-accuracy Digital Airplane Engine Timing Indicator, built with advanced MEMS inclinometer technology, ensures your engine fires at the correct angle—resulting in smoother operation, better efficiency, and peace of mind.

The ATS E50A Magneto Synchronizer is a modern redesign of the classic test instrument used by aviation mechanics around the world for over 50 years.

Dual-Voltage 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 plugs.

This time-saving kit includes our top of the line 2EM Differential Pressure Tester and the new 18MM-XT Spark Plug Port Extender for effortless leakdown testing at a great value.

Our Spark Plug Socket features a thin-walled design to get into to the tightest confines. Magnet interior guarantees that you won't accidentally drop the plug. Works with all Champion and Tempest Aviation Spark Plugs.

Our own ATS brand Differential Cylinder Pressure Tester combines the features of our popular 2E tester and a Master Orifice into one tool.

We would like to introduce our new Dual Squeezer Kit! This kit features everything our popular SDRS-KIT has but instead of just a 3" yoke we added the whole 3" squeezer! Now you will get our best selling Stainless Steel Rivet Squeezer with a 1 1/2" yoke,

Great package deal featuring our 133 Microstop Countersink plus 4 pilot cutters (1000-100 series) in sizes #40, #30, #21, and #12 all packaged in a custom foam lined case.

Professional Riveting contains everything needed for riveting. Complete kit includes ATS-3X Pro Riveting gun plus: 4 bucking bars, 5 Straight Rivet Sets, 4 Offset Rivet Sets, Custom Molded Case, and more...

Specifically designed to work with Brake Bleeder Tanks to service all Cleveland and Matco brake systems utilizing the 079-00300 Bleeder Screw.

Adjusting cable turnbuckles no longer has to be a dreaded ordeal, and you won't need three hands to do it. With our new Turnbuckle Rigging Kit you'll get a complete solution.

A package of 25 pieces 1/8" (copper) CLECOLOK clecos.