valve insert seat

См. также в других словарях:

• valve seat insert — A hardened steel valve seat that may be removed and replaced. The use of valve seat inserts dispenses with the need for lead in the fuel to act as a lubricant between the valve head and seat Also see insert …   Dictionary of automotive terms

• 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

• insert — [1] When referring to bearings it indicates a replaceable shell type bearing made to extremely close tolerances and generally used for main bearings and connecting rod bearings. [2] When referring to valves it indicates replaceable valve seats… …   Dictionary of automotive terms

• valve seat ring — A ring shaped insert of a harder metal than that of the cylinder head; the use of valve seat inserts dispenses with the need for lead in the fuel to act as a lubricant between the valve head and seat …   Dictionary of automotive terms

• seat insert — See valve seat insert …   Dictionary of automotive terms

• Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …   Wikipedia

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• Chevrolet Vega — 1972 Chevrolet Vega GT Hatchback Coupe Manufacturer Chevrolet Division of General Motors Also called Vega 2300 …   Wikipedia