Trying to figure out what this is it came out of my 64 barracuda 318 4 speed

Ok thank you the other thing that is wrong is it has a 9 1/8 clutch in it is there any way to put a 10 or 10 1/2 in it and how would I know if the gears 3.09 thank you agian
They make 10" clutches with scalloped pressure plates. At least they used to. They wewe a A100 application. Brewer has preformsnce clutches for the small flywheel.