These are the top selling products for the month of May, 2026

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 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
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
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
CABLE TENSIOMETER (1/16" - 1/8")

SKU: 3375D

CABLE TENSIOMETER (1/16 - 1/8) (3375D)
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.
Price:$379.95
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:$89.95
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
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
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
COMPRESSION TESTER EXTENSION (ATS 2E)

SKU: 18MM-XT

COMPRESSION TESTER EXTENSION (ATS 2E) (18MM-XT)
This extension tube makes it easier to avoid obstructions when performing compression checks. Extends 8-1/2" to clear manifolds, harnesses, etc. For use with ATS model 2E and 2EM Compression Testers. 18MM threads fits most aviation engines.
Price:$39.95
RIVET CUTTER

SKU: 130

RIVET CUTTER (130)
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.
Price:$30.95
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