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 new breakdown Engine Stand Kit comes to you unassembled to save you *BIG* on shipping costs, but it goes together in a few minutes with only a couple of wrenches. Works with all Continental and Lycoming engines.

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

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.

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.

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.

Black Diamond media cleans faster and produces less dust than any other media. Environmentally safer than Silica Sand, as it contains no health threatening "Free Silica" dust. Perfect for Sandblasters and Spark Plug Cleaners.

Use this pin to lock the gears of Slick® magnetos and maintain the correct timing position prior to removal or installation of the magneto. Manufactured by Unison