This is an OE Ford Top Loader 4 speed nice used 31 splined main shaft, the big one ! Full Sized cars, 427's & 428.  Hard to find. 1966-1967.  27 7/32 Long.  Has the 9 1/4" speedo, see photo with tape measure.  Speedo location is 9 1/4 from the front of the tail, is the one I have in stock. There are 2 different 31 spline main shafts for the big cars. Make sure this is the correct main shaft you need and speedo hole is in the right area.  The 31 spline main shaft that I do not have is 5" from the front of the tail.  Measure yours. Part number  WT296-2D. LET US KNOW IF YOU HAVE ANY QUESTIONS   360  735  0753

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