Like I said no planned work on these. I could have done more on a single phone call before his purchase. Looking at those numbers those heads I’m assuming would need new bigger valves and 800.00 worth of work. But like I said he’s not a racer so I think it’s gonna be what it was. When I saw those flow numbers I thought I was reading the sheet wrong. But I wasn’t good old 25 inches of depression flowbench.