SUNSTAR 3B6 520 Powerdrive Countershaft Sprocket
The original Sunstar Powerdrive countershaft sprocket, used by top OEM's worldwide for nearly 60 years.
Constructed using the strongest chromoly steel for max durability & reliability.
Parkerized surface treatment for anti rust & anti corrosion performance.
The most trusted drive sprocket by consumers & dealers in the powersports industry.