A vt head gasket is a component of an engine that seals the combustion chambers in an internal combustion engine. Head gaskets are a type of valve, and as such can be categorized by their intended use engine top or bottom. Engine top gaskets seal the top of the cylinder block and cylinder head while engine bottom gaskets seal the bottom of the cylinder block and cylinder head.
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The job of the head gasket is to seal the coolant passages between the cylinder blocks and heads so that fuel and air can be properly mixed as they pass through the combustion chambers.