The Valve(s) assembly is constructed from several parts from which the Valve-exhaust is the most expensive.
Parts such as the Valve(s): Shim,t=2.95, Spring-valve,exhaust,, Shim,t=2.90, Shim,t=2.70 are included in the Zx1200-b2h Ninja Zx-12r 2003 Europe,middle East,africa,uk,fr Valve(s) parts fiche.
The component with the lowest price in the VALVE(S) schematic is the Collet.