511 shock seals and diff plates
 

I seem to recall Lee mentioning there were some new seals a while back, anyone got the part number?

Also do 417 diff rings fit the 511 outdrives and not slip? Again part number would be much appreciated.

Having tried all of the Tamiya seals at one time or another i think that the TRF seals that are supposed to be for mineral shock oil seem to be the best compromise between smooth shocks and no leaks. 42215 is the part number. The silicone ones leak a little more in my experience. They are 42214

Diff rings, i use std ones and super glue them to the outdrives after using some 600 grit on the backs of the plates.