The component with the lowest price in the FRAME COVER (GS1000C schematic is the Washer (6.5x18x1.6).
The Frame Cover (gs1000c is made up of components including this Cover,frame,right which is the most expensive.
The Cushion,frame Cover is the most widely applied product in the GS1000 1979 (N) USA (E03) FRAME COVER (GS1000C ( two times ).