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Tech Review-Erson High-Performance Valves

Your engine relies on its valves to control the flow of air and fuel into the cylinder, seal the combustion in, and allow the spent exhaust gasses to exit. The process seems simple enough, but engine rpm range, combustion temperature, and exhaust gas temperature among other factors will place special demands on the valves, and as Mom used to say, “If you can't take the heat, stay out of the kitchen.” The choices available include stock valves, stainless steel valves, and titanium valves. Each material features properties that are suited to particular applications....READ MORE