The Lower - Drive 2 assembly is constructed from several parts from which the Propeller (3x13-3/4"x21"-ml) is the most expensive.
Parts such as the Lower - Drive 2: Spacer 1, Damper, Seal 2, Water Seal 1, Ybs40-5 Nut,nylon are included in the L150/200trq 1992 Lower - Drive 2 parts fiche.
The Clamp (6e5) is the lowest priced item on this Lower - Drive 2 schematic.