We used to have copies of the OEM valves available, but these days they are all based on a different design for some reason, which hurts flow. I was able to modify this one to be back to stock so its not hopeless, but needs to be addressed if you want to keep performance. Based on a stock 3500 head. Supporting wot-tech is greatly appreciated.
EVCchart2.jpg EVCchart.jpg
EVCchart2.jpg EVCchart.jpg
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