We asked Smalley marketing engineer Justyna Rapacz to fill us in on the design of wave springs and their utility to engineers designing products. We turned to Smalley as the inventor of the edge wound ...

Those wound-up pieces of high-tensile steel under your rocker arms work so hard closing your valves over millions of cycles that they could probably use a replacement right about now. We're talking ...

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 ...