Of all the components that make up this Rear Brake Caliper the Plug has the lowest price.
The Bolt is the most widely applied product in the YZF-R6 2003 5SL1 NORWAY 1B5SL-300E4 REAR BRAKE CALIPER ( five times ).
Of all the components used in this assembly the Caliper Assy, Rear 2 is the most expensive.