Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
My k7 head has same valve size as the earlier k series, not sure if I read your post correctly trigger, as far as I know F2 is the only one with larger valves, also different cam and re-worked head to accommodate the big valvesSent from my SM-G950F using Tapatalk