Standard 34t drive ratio. The OEM compensator sprocket assembly is heavy and can give wear; noise and other issues. This solid motor sprocket is used to eliminate the OEM compensator spring and OEM motor sprocket and will allow you to run with a simple but dependable solid set-up. Note: 08-10 Twin Cam models require a 2007 style alternator rotor available as MCS 908086 (OEM 40356-07).

