Used 1977 Mercury 40 Hp Twin 402 2 stroke Propeller Shaft with 13 spline part number 75365. Ratchet Sliding Clutch part number 92911T. Vertical Shift Shaft with 6 spline on top and bottom. Part numbers are per online manuals. All these parts came from the same outboard motor lower leg. This outboard motor had serial number 7102378 and was assembled in Canada and similar models had serial number range of 7047608 to 7112422 and those assembled in USA had serial number range of 4117710- to 4860102.  Measuring tape and calipers are not included but only shown for dimensions in the pictures. Since these parts are more than 10 years old we suggest to change gaskets and seals. To avoid injury, harm or malfunction we suggest that all our parts be installed by a certified outboard motor mechanic.We only ship to Canada & USA.