Re: Poppet Valve Up-stop Home › Forum › Ask A Member › Poppet Valve Up-stop › Re: Poppet Valve Up-stop bkrsdozUS Member - 1 Year (includes $3 online payment fee)Replies: 80Topics: 7 December 7, 2017 at 2:51 pm #68349 I’d go with the wine bottle cork. Just make sure you drink the wine after the poppet problem is repaired! Bob