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

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
CLECO PACK, 25 PIECES 1/8"

SKU: 25CL-1/8

CLECO PACK, 25 PIECES 1/8 (25CL-1/8)
A package of 25 pieces 1/8" (copper) CLECOLOK clecos.
Price:$19.95
CLECO PACK, 25 PIECES 3/32"

SKU: 25CL-3/32

CLECO PACK, 25 PIECES 3/32 (25CL-3/32)
A package of 25 pieces 3/32" (silver) CLECOLOK clecos.
Price:$19.95
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
1/4" FINGER RATCHET

SKU: 12090

1/4 FINGER RATCHET (12090)
These finger ratchets have a contoured grip for comfort and power during every job. They offer a reversible ratchet mechanism. Designed specifically to reach confined spaces.
Price:$11.95
3/8" DR FINGER RATCHET

SKU: 12091

3/8 DR FINGER RATCHET (12091)
These finger ratchets have a contoured grip for comfort and power during every job. They offer a reversible ratchet mechanism. Designed specifically to reach confined spaces.
Price:$11.95
WIRE HARNESS SPOON

SKU: M35250

WIRE HARNESS SPOON (M35250)
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.
Price:$12.95