Some items from this specific schematic: Stay Comp.,l.lowe, Cowl Set,r*r-134*, Lid,r.lowe*r-134*, Lid.l,lowe*r-134*.
The lowest price component in this Lower Cowl parts-list fiche is the Bolt,flange,6x12.
The Lower Cowl is made up of components including this Cowl Set,r*r-134* which is the most expensive.