NOS K&L HONDA CYLINDER HEAD  COVER GASKET .  PLEASE LOOK AT OUR FEEDBACK AND BID W/ CONFIDENCE. WE WILL SHIP WORLDWIDE AND WILL COMBINE SHIPPING. THANKS FOR LOOKING  Assemblies where 12391-300-040 is used 1977 CB750A A - CYLINDER HEAD COVER 1977 CB750F A - CYLINDER HEAD COVER 1977 CB750K A - CYLINDER HEAD COVER 1978 CB750A A - CYLINDER HEAD COVER 1978 CB750F A - CYLINDER HEAD COVER 1978 CB750K A - CYLINDER HEAD COVER 1977 CB750A A - CYLINDER HEAD COVER 1977 CB750F A - CYLINDER HEAD COVER 1977 CB750K A - CYLINDER HEAD COVER 1978 CB750A A - CYLINDER HEAD COVER 1978 CB750F A - CYLINDER HEAD COVER 1978 CB750K A - CYLINDER HEAD COVER