Yes, that is a legitimate '64 air cleaner (and a legitimate '64 air cleaner decal). It's the "small 'n' tall" variety described today in this thread.
There are no details about this engine that suggest it's not a '64 item…but there are no details that suggest it's not a '65 item. There are minor details suggesting it's not a '63 or a '66 motor.
The only ways to use a cable on that ride is to us a v-8 pedal unit