Old detachable bell 2341 uses the green thin top valve cap felt included
then seat the valve seat into it
See my item ID# 28120 for a YEP-642 from 1995 - 2010
Standard no ring with pad Conn P/N C4311W
This internal 2 slot valve guide fits Holton trumpets
Valve Springs, Bach, Conn, King, Euphonium, Baritone, & Trombone, Set of 3 or 4 +3 Old detachable bell 2341 usesBach, Conn, King, Euphonium, Baritone, & Valve Trombone, Valve Spring, set of 3. Conn Selmer BA01051, D14. 7mm x L50mm. For additional springs, see my valve spring reference chart. 3 valve fits: 625SP King Baritone B1104S King Baritone B1104 King Baritone 12I Conn Baritone 15I Conn Baritone 14I Conn Baritone 2166 King Valve Trombone B1114 Bach Baritone 623 King Euphonium 627 King Baritone 625 King Baritone 4 valve fits: 18I Conn Baritone 2266 King