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racing car spare parts engine valves The material of engine valve is heat-resisting stainless steel. These engine valve possess high strength, anti-wear, anti-corrosion and hear-resisting. The material of custom engine valve have to be forged with...
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Engine function The function of the valve is to input air into the engine and discharge the exhaust gas after combustion. From the structure of the engine, it is divided into intake valve and exhaust valve. The function of the intake valve is to...