YAMAHA YCR-2310S CORNET REBUILD KIT
The waterkey springs will be labeled. One for the Mouthpipe and one for the 3rd valve slide.
This Kit includes all the working parts you need to rebuild, refurbish your OLDS horn.
Three top cap felts "black"
Three Valve stem felts "white"
Three valve guides
Three valve stem springs
Two water key corks "tapered"
Two water key springs
Four tuning slide bumpers