FITS VEHICLE-1980 1981 1982 for Honda CB750C 1979 1980 1981 1982 for Honda CB750F 1981 1982 for Honda CB900F 1983 1984 1985 for Honda Nighthawk 650 1982 1983 for Honda Nighthawk 750 ADVANTAGE-heat dissipation fin design, strong heat dissipation FEATURES-Helps to dissipate excess voltage, avoid battery overcharging, stabilize voltage EASY TO INSTALL - Manufactured to OE specifications, OEM style plug for easy installation plug and play PREMIUM QUALITY-Components are made of high-quality materials, which can effectively reduce erosion and improve service life