Sure-Gap is designed for use on all massive electrode aircraft spark plugs. Saves time and money, eliminates guessing of plug gap, prolongs plug life and insures peak performance. 18mm.

18mm x 1/2" long Heli-Coil aviation grade spark plug insert.

Hastings Quick Change Bands are a fast and efficient way to install piston rings on all types of engines. Use them with the Hastings Ring-O-Matic Pliers (p/n 1670). Fits piston sizes: 5" to 5-1/4".

Black Diamond media cleans faster and produces less dust than any other media. Environmentally safer than Silica Sand, as it contains no health threatening "Free Silica" dust. Perfect for Sandblasters and Spark Plug Cleaners.

Expanding ball type tool produces a perfectly formed flare every time. Balls rotate inside housing, expanding it into aluminum boss while smoothly burnishing the inner surface.

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 24 inserts

This tool allows you to easily cut open your oil filter to inspect the paper filter element for contaminates and to detect problems inside your engine before they become major and expensive issues.

For Early Bendix S-20, S4, and S6 Magnetos... Unique design of the P-lead adapter ensures proper spring pressure against the internal contact. It provides secure and stable alignment, and includes a post that prevents the timer leads from falling off.

Deluxe single-channel model with audible tone. Ideally suited for synchronizing single-mag engines such as ultralights, and motorcycles. Eliminates all guesswork and provides a greater safety factor by creating perfect timing quickly and reliably.

Just attach in one of the valve cover screw holes and give it a couple quick turns to compress the valve spring and make it easy to remove the rocker shaft.

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.

5-Year Calibration Warranty entitles you to receive 5 annual calibrations of our 2E and 2EM Differential Pressure Testers at an effective cost of only $11.99 per calibration! Calibration warranty also covers replacement of defective components.