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Hi. I'm interested in a way to add damper springs to the intake and exhaust valves. Has anyone ever done it to a ACVW?

Thanks for your expertise and experience.

A lot of people run dual springs. The guide boss is machined to make room for the inner spring. It assembles just like normal once the heads are cut for duals.

Thank you for the reply!
I was thinking of trying to add ribbon springs to a set of singles. That way I could have a spring pressure that was only as high as needed. This case about 6500 rpm.

Edit: I notice that some Performance brands list doubles separate than singles with a damper so according to them ,the inner spring does not always count as a damper spring.