Our new Spark Plug Thread chaser kit will remove galling and buildup from both the spark plugs and the lead coupler threads to ensure optimum electrical connectivity.

Spark plug cleaning is an essential part of routine aircraft and automobile maintenance. Our Forbes Aviation eighteen hole spark plug tray is simple, and incredibly convenient. This bright blue tray doubles as storage for replacement plugs.

The valve tappet clearance gauge checks the minimum (.028”) and maximum (.080”) clearance gap between the rocker arm and the valve stem cap when the lifter (tappet) is dry and fully collapsed. The blades are ground and polished to precisely .080” and .028

Replacement Blade For the ATS PA01 vibrator cleaner.

The Handy Packer works on bearings up to 3 1/2" O.D. The grease stays in the tool cavity, not on your hands.

Thread size: 10-32. Includes 24 inserts, insertion tool, and tap

Special version Engine Stand Flange Pad for use with our ATS Engine Stand that is designed for use with engines having a Type-3 flange. A Type 3 propeller flange has 8 bolts instead of 6 and theys are used in some Continental engines.

These repair kits are very popular with experimentalists and kit builders as an economical alternative to serrated inserts. They contain everything you'll need to make on-the-spot engine repairs. Includes piloted tap, and installation tool, and 30 inserts

1/4-20. 1/4 in hole diameter, 20 threads per inch. Includes 24 inserts, insertion tool, and tap.

3/8" Internal Nut Wrench with 1/2" square drive. This wrench is designed specifically to install and remove Lycoming Narrow Deck (ND), IO-390, and IO-580 internal wrenching nuts.

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. 14MM threads for Franklin & automotive engines.

14MM adapter plug used with our 2E and 2EM Differential Pressure Testers. For engines with 14mm automotive-type plugs.