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.

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.

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.

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.

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

A package of 25 pieces 3/32" (silver) CLECOLOK clecos.

Cuts from 3/32", 1/8", 5/32", 3/16" and 1/4" diameter rivets. Uses leaf spacers to precisely set the length of the cut. The length of cut is adjustable from 5/32" to 21/32" in 1/32" increments.

#30 Pilot, 1/2" Diameter. 1/4x28 Thread. 3 flute, 120 degrees. Integral (fixed) pilot for cutting accuracy. High Speed Steel.

No avionics installer should be without this tool. This handy tool makes the job of inserting a new wire into an already tied off wire bundle much easier. This tool is a great time saver.

John Schwane of Sacramento Sky Ranch authors one of the most definitive manuals on aircraft engine maintenance we’ve ever seen. His comprehensive book takes you from the fundamentals of how an aircraft engine works to the arcane art of engine diagnostics.