A spark plug tube is a metal cylinder in an engine’s cylinder head. It creates a protective channel for the spark plug, by keeping oil from the valve train away from the ignition components.
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Leaks
Valve Cover Gasket Leaks: There Are Common Warning Signs
Stopping valve cover gasket leaks, between the valve cover and the cylinder head, is very important, for many reasons. Above all, the valve cover gasket needs to do it’s job, without any flaws. But, valve […]