Yamaha Sousaphone / Tuba, Valve Stem, Lacquer or Silver-Plate

Genuine Yamaha valve stem.  Lacquer or silver-plate, 44.3mm.  Sousaphones YSH-301, YSH 411, & many YBB Tubas (not YBB-103, 104, 105, & 105M).  Fits Yamaha Euphoniums YEP-641 & YEP-642 4th valve, note 1, 2, & 3 are a different P/N.   Contact me if you would like to verify your models fit or you need parts for another horn.  Sold as 1 each.