A833 4Speed 70' Charger

Do anyone know if a 4 speed out of a 70' Charger will work in a 63 Plymouth Valiant Slant 6? I have the bellhousing but wondering if anyone could chime in on this and point me in a direction. Hers the Ebay link ive been looking at.

http://www.ebay.com/itm/380872893463?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649



Thanks,
Jake