Of all the components used in this assembly the Seat Assy (blac is the most expensive.
A sample from the products for the Seat (vzr1800z) include: Seat Assy (blac, Nut, Seat Assy,pillion, Cushion.
The most reasonably priced component used on the Vzr1800n Boulevard M109r 2008 (k8) California (e33) Seat (vzr1800z) is the Screw.