Eastman French Horn, Older EFH420, Rotor Lever Spring

Eastman French Horn main lever spring P/N PTB-EFH420-65, thumb spring P/N PTB-EFH420-64.  Fits older Eastman EFH420.  See my SKU 28599 or 28601 for current EFH463 models.  Contact me if you wish to verify your model's fit or you need other parts.