I have a 1956 GMC 270 with a SM420 transmission for sale. The Motor has been gone through with several new parts. ( Crank truned with new bearings, new camshaft, rebuilt rockerarm shaft, rebuilt waterpump, complete new valve job with new valves, springs and guides, new carbuertor, new clutch with flywheel resurfaced). The transmission was pulled apart and all new bearings installed about 5yrs ago. Asking $1,500 for both. If you are interested let me know and I can send pictures. David Sullenberger in Cedaredge Colo. 303-990-2788
