CBR400 Aero, CBR400R (NC29) (85-87), VFR400 (NC24) VFR400Z (NC21, VT250)Motorcycle Regulator Rectifier We manufacture ... , making them extremely rugged and reliable.Fits:Road BikesQuad Bikes HONDA: CBR400 Aero, CBR400R (NC29) (85-87), VFR400 (NC24) VFR400Z (NC21, VT250