A low-cost efficient gap setting tool for closing gaps on massive-electrode Aviation Spark Plugs. Compatible with all Champion, and Tempest Massive Electrode Spark Plugs.

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.

Cleans any size plug without changing grommet. Has 2-way valve (blast or air) and comes complete with abrasive powder. Ready to use.

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.

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.

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.

The Hastings Ring-O-Matic Piston Ring Compressor Pliers incorporates a precision locking action for exact holding and release of piston ring bands.

Our own ATS brand tester comes complete with on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushings, etc.

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.

Factory refurbished model of our Spark Plug Cleaner & Tester features the latest in spark plug service equipment. It’s smart, functional styling and rugged construction makes it the perfect choice for anyone who needs to reliably and accurately test spark

Contains: 2E, E50A, Eastern E25, E5A, ATS950,& BK00219001 tool box. The new ATS engine test kit has all the test equipment need in one tool box to check engine compression, synchronize magnetos, time aircraft engines, and test the aircraft ignition leads.

For engines with bore diameters over 5" per FAA AC43-13. Includes on-off safety valve to eliminate hose pressure when disconnecting from the cylinder. Can be used to check intake or exhaust valves, cracked or worn rings, defective cylinders, worn bushing