Replaceable piston felt for trumpets, cornets, and alto horns. Replacing the felt with a new one in good condition not only ensures smoother piston action but also makes it easier to achieve accurate pitch. Please refer to the video for replacement instructions.
Piston springs for euphonium and tuba that you can replace yourself. Genuine YAMAHA parts. Replacing them keeps piston operation smooth. One piece included.
Plastic valve guide for euphonium and tuba. This part secures the piston to prevent it from rotating inside. As a consumable part, it requires periodic replacement.