Keihin Honda CB550K F carburettor joint set, I believe this is for years 1977-78 ? 

Part number E2350F

 Please be sure from the Keihin number and photos that this is what you require  

I have washed off with petrol but will need a proper fine clean and service before use  

Feel free to message me for any more information

SL CB550 PD46A