A spring compressor is among the most infamous tools available to home auto mechanics. Its job and operation are straightforward: It just squeezes a spring so that you can remove or install it from a ...

Fittings such as these, for connecting a compressed air line to the spark plug hole for valve support, are available at most auto parts stores. Occasionally it is necessary or desirable to inspect or ...

When a design calls for an industrial gas spring, there’s a wide range of standard, off-the-shelf products available from various manufacturers. But ordering a gas spring from a catalog comes with a ...

There was once a time when Desmodromic valve technology was cutting edge and a necessary competitive advantage for Ducati in racing. The Desmo head doesn't use a valve spring to return the valve to ...

We recently discovered that AutoZonePro sells tools. Not the cheap disposable kind but the worthy keep-forever kind. The trick is to thumb-scroll the Tool & Equipment Quarterly at AutoZonePro.com then ...