The Pin-dowel,3x8 is the lowest priced item on this Transmission schematic.
In this schematic the "Spacer,48.2x54.3x1.0" is used most often.
A sample from the products for the Transmission include: Chain,reverse,23rh302, Washer,28.2x40.0x1.6, Pin-dowel,3x8, Collar,21.2x34.0x3.0.