These are the top selling products for the month of March, 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
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
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
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
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
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
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
CABLE DIAMETER GAUGE

SKU: GAP4

CABLE DIAMETER GAUGE (GAP4)
Quickly and accurately measures standard cable diameters. Measures inch sizes: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 3/8". Measures millimeter sizes: 2, 2.5, 3, 4, 5, 6, 7, 8, 9, 10
Price:$15.95
DIFFERENTIAL PRESSURE TESTER CYLINDER PLUG (14MM)

SKU: 14MM

DIFFERENTIAL PRESSURE TESTER CYLINDER PLUG (14MM) (14MM)
14MM adapter plug used with our 2E and 2EM Differential Pressure Testers. For engines with 14mm automotive-type plugs.
Price:$9.95