I have located 2- 1956 Olds manual transmissions. They come with 1-bell housing, clutch, flywheel,pressure plate and a Hurst floor shifter. Contact is: David Harris 719 232 7572.
E-mail is hpoldsdave@gmail.com Dave is moving, make him an offer.
The engine is the 1966 400 CID with hi-lift cam and the big lifters.
Dave