Alternator Rotor with Engine Sprocket. Fits 1200cc Sportster 2004-2021

* Stamped steel rotors with punched splines.

* Features encapsulated magnets in a reinforced steel shell

* Direct OEM replacement

* 32 Amp charging system

* Includes sprocket - 38 Teeth

* Replaces OEM # 32494-04 & 40290-04

* New Primary Chain = BC-59-1203

* Primary Gasket Kit = JGI-34955-04-K