These are the top selling products for the month of August, 2025

MAGNETO SYNCHRONIZER

SKU: E50A

MAGNETO SYNCHRONIZER (E50A)
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.
Price:$149.95
SPARK PLUG CLEANER TESTER

SKU: SPCT100A

SPARK PLUG CLEANER TESTER (SPCT100A)
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.
Price:$714.95
ATS PRO DIFFERENTIAL PRESSURE TESTER KIT

SKU: 2EM-KIT

ATS PRO DIFFERENTIAL PRESSURE TESTER KIT (2EM-KIT)
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.
Price:$182.95
ATS MAGNETIC SPARK PLUG SOCKET

SKU: ATS950

ATS MAGNETIC SPARK PLUG SOCKET (ATS950)
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.
Price:$43.95
ATS PRO DIFFERENTIAL PRESSURE TESTER WITH MASTER ORIFICE

SKU: 2EM

ATS PRO DIFFERENTIAL PRESSURE TESTER WITH MASTER ORIFICE (2EM)
Our own ATS brand Differential Cylinder Pressure Tester combines the features of our popular 2E tester and a Master Orifice into one tool.
Price:$153.95
CYLINDER BASE NUT WRENCH SET

SKU: 3882-5

CYLINDER BASE NUT WRENCH SET (3882-5)
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.
Price:$158.95
COUNTERSINK KIT W/PILOT CUTTER

SKU: 133KIT

COUNTERSINK KIT W/PILOT CUTTER (133KIT)
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.
Price:$65.95
ECONOMY MAGNETO SYNCHRONIZER

SKU: LED52

ECONOMY MAGNETO SYNCHRONIZER (LED52)
Designed specifically for aircraft magneto synchronization and engine timing. Eliminates all guesswork and provides a greater safety factor by creating perfect timing quickly and reliably.
Price:$88.95
TURNBUCKLE RIGGING KIT

SKU: TB12K

TURNBUCKLE RIGGING KIT (TB12K)
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.
Price:$58.95
REVERSIBLE SAFETY WIRE TWISTER (6")

SKU: 6WR

REVERSIBLE SAFETY WIRE TWISTER (6) (6WR)
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
Price:$92.95
CLEANING ABRASIVE (BLACK DIAMOND)

SKU: 78B

CLEANING ABRASIVE (BLACK DIAMOND) (78B)
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.
Price:$4.95
SLICK® MAGNETO LOCKING PIN

SKU: T118

SLICK® MAGNETO LOCKING PIN (T118)
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
Price:$9.95