Sunstar 40 tooth rear sprocket for Honda CB650 & CB750 models from the 70's and early 80's. For use with 530 chain.. Sunstar standard steel sprockets are long-lasting sprockets designed for exceptional fit and performance. They are constructed from 1045 high carbon steel with an exclusive heat treatment for added strength and durability.. Sunstar Part Number: 2-532340. Check Fitment Below.
