This ENGINE COVERS ('82-'83 KE175-D4/ assembly utilises eight Screw-pan Head,6x30(s) - the highest specified component.
The most reasonably priced component used on the Ke175-d5 Ke175 1983 Usa Canada Engine Covers ('82-'83 Ke175-d4/ is the Screw-pan Head,6x25.
Some items from this specific schematic: Screw-pan Head,6x35, Oil Pump Cover, Cover-clutch, Screw-pan Head,6x30.