1/2" 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.

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.

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.

Installs rings from 3" (76.2mm) to 5" (127mm). Superior to regular ring compressors in the following ways: Low Friction! Wrinkle band cuts friction in half. Ring slides in easily; Wrinkle Band can't slip down into cylinder

Simply attach this assembly to the end of your engraver (not supplied) and you're all set to clean away lead deposits from your spark plug.

Lapping/seating valves in engines, for optimum performance. Grease mix type is the next most widely used. It retains its texture and lubrication properties during extended lapping or grinding and leaves a rust preventing film on the surface. 1LB can.

Size 3-3/4" to 4-1/4", 120 Grit Silicon Carbide. For cylinder bore reconditioning. Provides proper finish for cylinder wall breaking without expensive fixtures.

Cleans carbon from piston ring grooves. Easily adjustable. Blades included for five most popular piston groove sizes: 5/64", 3/32", 1/8", 5/32", 3/16". Insert blade into piston groove with slight pressure.

Size 3-1/2" - 4", 120 Grit Silicon Carbide. For cylinder bore reconditioning. Provides proper finish for cylinder wall breaking without expensive fixtures.

5/16-18. 5/16 inch Diameter of hole, 18 threads per inch. Includes 24 inserts, insertion tool, and tap

The OilEasy Wrench is specifically designed to remove the oil filter on any aircraft using the Continental IO-520, or IO-550 engine. It’s the only wrench that can get between the top of the oil filter and the pressure pump to remove it.