Air compressor tools aren't seen quite as often as their battery powered or corded siblings, but they can be incredibly useful in the right circumstances.

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An accurate measuring device like a small mechanic’s ruler or a set of calipers, a valvespring compression tool, and a few hand tools are all that’s required.

Airborne Flying Services of Hot Springs, Ark., developed and now offers the Valve Wizard, a set of three valve spring compressor tools for Lycoming O-235, O-290, IO/O-320, IO/O-360, AEIO-360, O ...

Proform's new Pneumatic Valve Spring Compressor can cut cylinder head disassembly time in half. Pulling the tool's trigger supplies up to 350 pounds of force using 125-psi air-compressor pressure ...