So I'm reading the R150 and R155 are nearly identical, except 1st gear.
For the R452 swap I'll need:
33336-25030 5th
33046-25030 5th Counter
For guys with a nut on the end of the shaft, not the circlip (<1995), they need countershaft 33046-25011.
33046-25010, 11 & 12 are all the same counter gear for <1995
33046-25020 & 30 are for 1995+
