4/30/2023 0 Comments Ej20 engine valve adjustment![]() ![]() Intake valves are a modified 21-4n stainless and Exhausts are a modified 23-8n stainless material for high heat capacity while maintaining longevity.Valve stems are micropolished to allow for less oil retention on the stem which creates less drag on the stem to guide for a smoother motion.Back cut to reduce valve weight for higher rpm, higher boost pressure and allow for more aggressive cam profiles without increasing valve spring seat pressures.Swirl polished heads for smoother air flow over the valve.GSC Power-Division's new valves are sure to become the industries standard for sport compact performance valves. Less distortion allows or better sealing under extreme conditions and more consistent performance threw the life of the valve. ![]() With the materials used we have less valve distortion at the face than any of the tested designs. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. Using advanced 3D design and simulation programs we have created a stronger and higher flowing valve head design. When creating our new valve line we set out to create the best performance longest lasting valves available to the aftermarket. ![]()
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