A tool like Proform's new pneumatic valve spring compressor. Come in for more info... Proform's new Pneumatic Valve Spring Compressor can cut cylinder head disassembly time in half. Pulling the tool's ...

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 ...

This is not one of those times. To properly assemble the heads for my LS engine—one that is pretty simple relative to some other mills—I still needed a spring checker, spring micrometer, and spring ...