Johnson/Evinrude outboard motor gear case extension kit-
make long shaft-50's
I am selling a gear case/lower unit extension kit from a big twin 1955 25 hp Johnson (RD-17)(big twin).
I think it will fit single water tube gear cases 1955 -1958 (maybe more years)
Private message me and let’s talk about fitment

Driveshaft 304933
Screw 302510
Shift rod 304034 (long)
Extension (5 inch) 304030/328572
Water tube 304175

Extension has been sand blasted ready for you to paint.
Does not include O-ring 304174 ( I.D. 1/2" x O.D. 5/8" x W 1/16 ")
which goes inside the water tube where the collar is.
Does not include O-ring 303059 superseded to 339543
( I.D. 1/2" x O.D. 11/16" x W 3/32 ") Which goes in the top groove of the driveshaft
If you