The Screw(5x18) is the lowest priced item on this Cowling Body (gsx-r1000l3 E33) schematic.
Some items from this specific schematic: Windscreen, Fastener, Cushion, Cushion.
The Cowling Body (gsx-r1000l3 E33) assembly is constructed from several parts from which the Brace,cowling is the most expensive.