The fourteen Gsxr750 2004 (k4) Usa (e03) Cam Chain component parts are all listed in this schematic.
Some items from this specific schematic: Guide Cam Chain No,2, Tensioner,cam Chain, Adjuster Assy,tensioner, Bolt,cl.cover.
The component with the lowest price in the CAM CHAIN schematic is the Bolt,cl.cover.