Originally Posted by topside

Speedo cable from Imperial Services will adapt a '63 speedo input to the later trans output.
IIRC it's a '66 Charger cable?
And the E-brake cable setup may be different:
Early Bs are 22" radiators so cooling requires a little thought and certainly a fan shroud; clearance is pretty tight.

I have a friend who try to buy some adapter cable shifter parts for his 1963 Sport Fury from Imperial Services, nothing but excuses and problems after being billed on his credit card, BUYERS BEWARE of them tsk twocents

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)