complete charging system for generator bikesFeatures simplified wiring, higher output, longer service lifeWorks with or without a battery12 volt, 2 brush generator will deliver more amps when cold for faster rechargingOAL 758 from gasket surface to finsMade in USWhen replacing 3 brush generator (36-57) use H-D# 31035-58 oil deflector, discard spring and old deflectorcheck for clearance on foot clutch models When converting 6 volt to 12 volt use 55 amp battery or small kick start battery