The Roller,4x8 is the lowest priced item on this E-14 Crankcase schematic.
Some items from this specific schematic: Noz,chain Oilfeed, Bolt,flange 6x40, Tube,breather, Bolt,flange 8x12.
The E-14 Crankcase is made up of components including this Crankcase Set which is the most expensive.
