1965 Barracuda question?

Hello All,

Im changing the Transmission on my 1965 Barracuda to a later model 904, I've order the shifter cable from Imperal so that my original shifter can hook up to the new trans.

My question is what about the speedometer cable? will I need to change to a 1966 cable or will mine work? If not, does anyone make one that hooks to the original 1965 Barracuda cluster to a 1966 or later 904 Transmission?

Thanks in advance for all the help.