The most reasonably priced component used on the Sv650 2009 (k9) Usa (e03) Front Caliper (sv650ak8/sak8/ak9/sak9) is the Bolt.
Some items from this specific schematic: Shim,pad, Carrier,caliper,r, Pad & Shim Set (nas), Cap,bleeder Plug.
Of all the components used in this assembly the Caliper Assy,fr,r is the most expensive.