Our Aviation Piston Ring Compressor features a quick-change design to speed up piston ring installation. It includes the famous Hastings Ring-O-Matic® pliers and bands that operate in all positions: not just vertically or horizontally.

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.

For all Continental and Lycoming engines. Adjustable type to work on all series engines. Ring installs on rockers and "C" collar compressor spring to allow keeper removal.

Tandem ATS C-Squeezer delivers twice the force of a standard unit at the same pressure. Squeezes up to 1/8" steel rivets or 3/16" aluminum rivets. Includes 3" yoke. Accepts all squeezer sets with .187 shank. Requires 80-90 psi.

Professional Riveting contains everything needed for riveting. Complete kit includes ATS-3X Pro Riveting gun plus: 4 bucking bars, 5 Straight Rivet Sets, 4 Offset Rivet Sets, Custom Molded Case, and more...

The Cherry G704B is a pneumatic-hydraulic tool designed for the efficient installation of CherryMAX® rivets. Its durable, all metal housing makes it ideal for use in shop environments. NSN: 5130-01-044-7207

4PC Tungsten bucking bar kit containing our most popular bucking bars. ATS6005, ATS6006, ATS6007, ATS6008, and comes in custom foam lined case.

7 piece kit in sizes: #3, #4, #5, #6, #8, #10, & #12. For use in assembling stratoflex series 300, aeroquip 303, 491 hose fittings. Chrome Plated.

This is the drill you need to get into those tight spaces. It has a head height of just over an inch, and produces enough torque at 2800 RPM to drill through steel. Excellent speed control, and has a solid, well-balanced feel.

This all aluminum unit is designed to improve and speed up the process of timing magnetos to the engine. Easily attached to the propeller spinner, it is accurate to within 1/2 degree.

Range 10-100lbs. Cable sizes: 1/16"-1/4". The extremely small size of this tensiometer permits entry through small openings, and allows accurate readings on cables located in confined areas.

Installs one piece stretch seals without damaging surface on seal or crankshaft. For all flange shafts per Continental Bulletin M-70-2. Also fits Lycoming engines.