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.

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.

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

Range 15-70 Lbs in 1 lb increments. Cable sizes: 1/16" 3/32" & 1/8". Accuracy within +/-10 percent. This tool provides easy, direct reading, low cost, high quality and accuracy. It's designed compact as to fit through inspection holes. Factory calibrated.

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 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.

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.

Innovative new reversible safety wire twister changes from right hand to left hand twist at the flick of a switch. Positive locking mechanism prevents accidental direction change during series wiring. Assembled in the USA. 6" length

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

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.

Set of two (2) spline-type (internal hex) wrenches specifically designed to install and remove Lycoming Narrow Deck (ND), IO-390 and IO-580 round cylinder nuts. Sizes are 1/2" and 3/8" and both have a 1/2" square drive.

Specifically designed for the removal of blind rivets. Serrated nosepieces lock rivet in place to prevent it from spinning as it's being drilled out . Adjustable depth control with positive stop. Knurled grip for added comfort.