The five Re5 Re5m Re5a 1975 1976 (m) (a) Usa (e03) / 497cc Rotary Engine Lh Cover component parts are all listed in this schematic.
A sample from the products for the Engine Lh Cover include: Washer, Pin, Washer, Cap(od:32).
The Engine Lh Cover is made up of components including this Cap(od:32) which is the most expensive.