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Quote from: knecum on February 13, 2016, 10:26:28 PMKeep your receipt, I never had luck with S.S. valves on stock seats, seen numerous S.S. valves trench and sink in the head and take up the clear enough to Keep it open and lower compression. Never ever seen it on stock valves on a Busa. MISteve;I would love for you to try a set of ours. It would change your opinion for sure. There are a lot of Chinese valves out there now and that may account for the experiences you have had. In two years, we have never has a single case of ours trenching.
Keep your receipt, I never had luck with S.S. valves on stock seats, seen numerous S.S. valves trench and sink in the head and take up the clear enough to Keep it open and lower compression. Never ever seen it on stock valves on a Busa.