valve guide
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Valve guide — In most types of reciprocating engines, a valve guide is provided for each poppet valve in the cylinder head. Along with the valve spring, it serves to positively locate the valve so that it may make proper contact with the valve seat. A valve… … Wikipedia
valve guide — The cylindrical hole which is located in the cylinder head or block through which the stem of the poppet valve passes. It is designed to keep the valve in proper alignment. It also serves as a bearing surface. Some guides are pressed into place… … Dictionary of automotive terms
valve guide reamer — A tool used to enlarge worn valve guides to accommodate oversized valve stems … Dictionary of automotive terms
valve guide driver — A tool for installing valve guides … Dictionary of automotive terms
valve guide remover — A drift punch for driving out valve guides … Dictionary of automotive terms
valve guide seal — See valve stem seal … Dictionary of automotive terms
oversize valve guide — A valve guide with a slightly larger outside diameter than the standard valve guide, used to repair worn valve guides after their bores have been reamed … Dictionary of automotive terms
Valve seat — The valve seat in an internal combustion gasoline or diesel engine is the surface against which an intake or an exhaust valve rests during the portion of the engine operating cycle when that valve is closed. The valve seat is a critical component … Wikipedia
valve — A device used to either open or close an opening to allow or prevent the flow of a liquid or gas from one place to another. There are many different types. See ABS relay valve accumultor valve air valve carburetor air control valve air gulp valve … Dictionary of automotive terms
guide — A device which allows a long shaft to do its job without flexing. also See cable guide oversize valve guide valve guide glass s Guide … Dictionary of automotive terms
valve stem — The long cylindrical portion of the valve that moves up and down in the valve guide … Dictionary of automotive terms
