You are looking at a fully restore honda cb750 carburetor. The carburetor was taken from a 1971 Honda cb750 model. The carburetor was taken completely apart and ultrasonically cleaned and the aluminum bodies were reconditioned with special media to look oem again. All of the seals and jets were replaced with new ones. All slides move smoothly, choke and slide mechanism was bench tested and synchronized. But please inspect the picture for more details to see the condition of the carbs. These carbs will fit all the models listed below....