Alternator Rotor with Clutch Basket & Sprocket. Fits Sportster 1984-1990

* High quality replacement alternator rotors with performance rotor

* Features vibration proof magnet construction

* Magnets are held in place by a stainless steel non-magnetic insert for longevity

* Includes sprocket - 59 Teeth

* This Sportster fitment also includes the Clutch Basket

* Replaces OEM # 36791-84

* New Primary Chain = BC-59-1202

* Primary Gasket Kit = JGI-34955-75-K