You are looking at a restored kawasaki z1 carburetor. The carburetor was taken from a 1975 Kawasaki z1 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 quality made in japan rebuild parts. The carburetor was than bench synchronized and properly set so all slides move nicely and evenly. But please inspect the picture for more details to see the condition of the carbs. These carbs will also fit all kawasaki z1 models, but are period correct for the late 1974 z1 models, and all 1975 z1 models.