Title: The Stainless Steel will work better than stock valves because the backside of the valve is swirl polished. In this case it is like a cheap port job. It helps the air to have a smooth boundry layer with which to flow into the head.
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The Stainless Steel will work better than stock valves because the backside of the valve is swirl polished. In this case it is like a cheap port job. It helps the air to have a smooth boundry layer with which to flow into the head.
