Come in for more info... 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 ...

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 ...

Valve stem seal problems are as old as overhead valves. Those puffy brown rock-hard deposits (that can look kind of like brown ice cream) on the spark plugs aren't always so noticeable on some engine ...