Bach, Conn, King, Plastic Valve Guide Set of 3 or 4.
Fits:
625SP King Baritone
B1104S King Baritone
B1104 King Baritone
12I Conn Baritone
15I Conn Baritone
14I Conn Baritone
B1103SP Bach Euphonium
B1103 Bach Euphonium
628 King Euphonium
628SP King Euphonium
B1114 Bach Baritone
623 King Euphonium
1140M King Marching Tuba
1140MW King Marching Tuba
627 King Baritone
625 King Baritone
King Sousaphone after 1985.
4 valve fits:
18I Conn Baritone
19I Conn Euphonium
19ISP Conn Euphonium
2266 King Baritone
2266SP King Baritone
2280 King Euphonium
2280SP King Euphonium
B1110S Bach Euphonium
B1110 Bach Euphonium