These are the top selling products for the month of December, 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 Sale:$119.95
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 Sale:$145.95
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 Sale:$125.95
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 Sale:$37.95
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 Sale:$54.95
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:$22.95 Sale:$18.95
RIVET REMOVAL TOOL

SKU: 1341A

RIVET REMOVAL TOOL (1341A)
Our rivet removal tool comes complete with four drill bits and guides for removing 3/32", 1/8", 5/32" and 3/16" universal head (AN470) solid rivets. Rivets are cleanly removed without damage to the rivet hole or aircraft skin.
Price:$73.95 Sale:$62.95
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 Sale:$51.95
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:$22.95 Sale:$18.95
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 Sale:$82.95
UNIVERSAL HEAD RIVET ASSORTMENT PACK (MS20470AD)

SKU: MS20470AD-PK

UNIVERSAL HEAD RIVET ASSORTMENT PACK (MS20470AD) (MS20470AD-PK)
An assortment of MS20470AD Universal Head rivets in the four most commonly used sizes and lengths.
Price:$41.95 Sale:$34.95
DOGLEG DEBURRING TOOL (10")

SKU: SP375A

DOGLEG DEBURRING TOOL (10) (SP375A)
10" overall length. Deburrs holes fast & easy with speed handle. 100 degree deburring angle. 3/8" diameter. Comes with deburring bit. Replacement tip is P/N SP375-1. New dogleg design.
Price:$21.95 Sale:$18.95