Complete spark gapping kit includes Heavy Duty Gapper, Feeler Gauge, Gap Expansion Tool, and Electrode Erosion Gauge. Precisely sets gap to within .001" and checks to see if they are still serviceable.

Set of two (2) spline-type (internal hex) wrenches specifically designed to install and remove Lycoming Narrow Deck (ND), IO-390 and IO-580 round cylinder nuts. Sizes are 1/2" and 3/8" and both have a 1/2" square drive.

The Magneto Internal Timing Kit is used to set the E-Gap on Bendix S-20, S-200, S-400, S-500, and S-1200 series aircraft and industrial magnetos. Instructions included.

If you clean a lot of spark plugs, then you know that a vibrator cleaner is the only way to remove stubborn lead deposits. This tool will do the same job as the more expensive vibrator cleaners at a fraction of the cost.

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.

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.

Our new Spark Plug Field Kit. It contains everything you need to keep your spark plugs working in tip-top condition. It includes a spark plug cleaner, socket, dental picks, lubricant, inspection magnifier, spark plug tray, and a gapping kit.

Professional quality Tempest, heavy duty wrench with a built in ratcheting mechanism and a pre-set torque arm. Use it to accurately set the torque of oil filters upon replacement.

Combines our popular 116 Spark Plug Gapper with our new ATS450 Spark Plug Gauge in one money-saving kit.

High internal resistance in spark plugs is rapidly becoming a concern that many IA/AP's are beginning to recognize as the source of rough running engines and chronic magneto related problems.

This tools expands the spark gap of any massive electrode aviation plug safely and efficently. When used properly, it will not cause damage to the plug and allows you to re-gap an over-gapped plug.

Spark Plug Tray. Holds up to 12 spark plugs. Spark plug positions marked 1-6. All metal construction.