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Valve Seat Technology for Stock and Performance Applications

Valve seats are a critical engine component because they are the foundation of the valvetrain. The seats provide a surface for the valves to seal against when they close so there’s no loss of compression or pressure from the combustion chamber. The seats also help cool the valves by conducting heat away from valves into the cylinder head.

The seats also support the valves and determine installed valve height, which affects valvetrain geometry and valve lash. The diameter of the seats and the contour of the angles that are machined into the face of the seats also limit how much air the engine can flow at any given valve lift and rpm. Because of all these factors, the valve seats deserve a lot of attention whether you are rebuilding a stock engine or building a performance engine.

访问量：975　所属分类：技术支持　发布日期：2016-03-25

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